21139967940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{35521}}^1$

素因数の和:35662

約数の個数: 192

約数和(自身を含む): 73522014720

約数和(自身を除く): 52382046780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 109, 130, 140, 156, 182, 195, 210, 218, 260, 273, 327, 364, 390, 420, 436, 455, 545, 546, 654, 763, 780, 910, 1090, 1092, 1308, 1365, 1417, 1526, 1635, 1820, 2180, 2289, 2730, 2834, 3052, 3270, 3815, 4251, 4578, 5460, 5668, 6540, 7085, 7630, 8502, 9156, 9919, 11445, 14170, 15260, 17004, 19838, 21255, 22890, 28340, 29757, 35521, 39676, 42510, 45780, 49595, 59514, 71042, 85020, 99190, 106563, 119028, 142084, 148785, 177605, 198380, 213126, 248647, 297570, 355210, 426252, 461773, 497294, 532815, 595140, 710420, 745941, 923546, 994588, 1065630, 1243235, 1385319, 1491882, 1847092, 2131260, 2308865, 2486470, 2770638, 2983764, 3232411, 3729705, 3871789, 4617730, 4972940, 5541276, 6464822, 6926595, 7459410, 7743578, 9235460, 9697233, 11615367, 12929644, 13853190, 14918820, 15487156, 16162055, 19358945, 19394466, 23230734, 27102523, 27706380, 32324110, 38717890, 38788932, 46461468, 48486165, 50333257, 54205046, 58076835, 64648220, 77435780, 81307569, 96972330, 100666514, 108410092, 116153670, 135512615, 150999771, 162615138, 193944660, 201333028, 232307340, 251666285, 271025230, 301999542, 325230276, 352332799, 406537845, 503332570, 542050460, 603999084, 704665598, 754998855, 813075690, 1006665140, 1056998397, 1409331196, 1509997710, 1626151380, 1761663995, 2113996794, 3019995420, 3523327990, 4227993588, 5284991985, 7046655980, 10569983970, 21139967940]

約数ペア:

[(1, 21139967940), (2, 10569983970), (3, 7046655980), (4, 5284991985), (5, 4227993588), (6, 3523327990), (7, 3019995420), (10, 2113996794), (12, 1761663995), (13, 1626151380), (14, 1509997710), (15, 1409331196), (20, 1056998397), (21, 1006665140), (26, 813075690), (28, 754998855), (30, 704665598), (35, 603999084), (39, 542050460), (42, 503332570), (52, 406537845), (60, 352332799), (65, 325230276), (70, 301999542), (78, 271025230), (84, 251666285), (91, 232307340), (105, 201333028), (109, 193944660), (130, 162615138), (140, 150999771), (156, 135512615), (182, 116153670), (195, 108410092), (210, 100666514), (218, 96972330), (260, 81307569), (273, 77435780), (327, 64648220), (364, 58076835), (390, 54205046), (420, 50333257), (436, 48486165), (455, 46461468), (545, 38788932), (546, 38717890), (654, 32324110), (763, 27706380), (780, 27102523), (910, 23230734), (1090, 19394466), (1092, 19358945), (1308, 16162055), (1365, 15487156), (1417, 14918820), (1526, 13853190), (1635, 12929644), (1820, 11615367), (2180, 9697233), (2289, 9235460), (2730, 7743578), (2834, 7459410), (3052, 6926595), (3270, 6464822), (3815, 5541276), (4251, 4972940), (4578, 4617730), (5460, 3871789), (5668, 3729705), (6540, 3232411), (7085, 2983764), (7630, 2770638), (8502, 2486470), (9156, 2308865), (9919, 2131260), (11445, 1847092), (14170, 1491882), (15260, 1385319), (17004, 1243235), (19838, 1065630), (21255, 994588), (22890, 923546), (28340, 745941), (29757, 710420), (35521, 595140), (39676, 532815), (42510, 497294), (45780, 461773), (49595, 426252), (59514, 355210), (71042, 297570), (85020, 248647), (99190, 213126), (106563, 198380), (119028, 177605), (142084, 148785)]