21074327820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{428863}}^1$

素因数の和:428901

約数の個数: 192

約数和(自身を含む): 80695050240

約数和(自身を除く): 59620722420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1365, 1404, 1638, 1755, 1820, 1890, 2340, 2457, 2730, 3276, 3510, 3780, 4095, 4914, 5460, 7020, 8190, 9828, 12285, 16380, 24570, 49140, 428863, 857726, 1286589, 1715452, 2144315, 2573178, 3002041, 3859767, 4288630, 5146356, 5575219, 6004082, 6432945, 7719534, 8577260, 9006123, 11150438, 11579301, 12008164, 12865890, 15010205, 15439068, 16725657, 18012246, 19298835, 22300876, 23158602, 25731780, 27018369, 27876095, 30020410, 33451314, 36024492, 38597670, 39026533, 45030615, 46317204, 50176971, 54036738, 55752190, 57896505, 60040820, 66902628, 77195340, 78053066, 81055107, 83628285, 90061230, 100353942, 108073476, 111504380, 115793010, 117079599, 135091845, 150530913, 156106132, 162110214, 167256570, 180122460, 195132665, 200707884, 231586020, 234159198, 250884855, 270183690, 301061826, 324220428, 334513140, 351238797, 390265330, 405275535, 468318396, 501769710, 540367380, 585397995, 602123652, 702477594, 752654565, 780530660, 810551070, 1003539420, 1053716391, 1170795990, 1404955188, 1505309130, 1621102140, 1756193985, 2107432782, 2341591980, 3010618260, 3512387970, 4214865564, 5268581955, 7024775940, 10537163910, 21074327820]

約数ペア:

[(1, 21074327820), (2, 10537163910), (3, 7024775940), (4, 5268581955), (5, 4214865564), (6, 3512387970), (7, 3010618260), (9, 2341591980), (10, 2107432782), (12, 1756193985), (13, 1621102140), (14, 1505309130), (15, 1404955188), (18, 1170795990), (20, 1053716391), (21, 1003539420), (26, 810551070), (27, 780530660), (28, 752654565), (30, 702477594), (35, 602123652), (36, 585397995), (39, 540367380), (42, 501769710), (45, 468318396), (52, 405275535), (54, 390265330), (60, 351238797), (63, 334513140), (65, 324220428), (70, 301061826), (78, 270183690), (84, 250884855), (90, 234159198), (91, 231586020), (105, 200707884), (108, 195132665), (117, 180122460), (126, 167256570), (130, 162110214), (135, 156106132), (140, 150530913), (156, 135091845), (180, 117079599), (182, 115793010), (189, 111504380), (195, 108073476), (210, 100353942), (234, 90061230), (252, 83628285), (260, 81055107), (270, 78053066), (273, 77195340), (315, 66902628), (351, 60040820), (364, 57896505), (378, 55752190), (390, 54036738), (420, 50176971), (455, 46317204), (468, 45030615), (540, 39026533), (546, 38597670), (585, 36024492), (630, 33451314), (702, 30020410), (756, 27876095), (780, 27018369), (819, 25731780), (910, 23158602), (945, 22300876), (1092, 19298835), (1170, 18012246), (1260, 16725657), (1365, 15439068), (1404, 15010205), (1638, 12865890), (1755, 12008164), (1820, 11579301), (1890, 11150438), (2340, 9006123), (2457, 8577260), (2730, 7719534), (3276, 6432945), (3510, 6004082), (3780, 5575219), (4095, 5146356), (4914, 4288630), (5460, 3859767), (7020, 3002041), (8190, 2573178), (9828, 2144315), (12285, 1715452), (16380, 1286589), (24570, 857726), (49140, 428863)]