21033760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 192

約数和(自身を含む): 62052480

約数和(自身を除く): 41018720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 19, 20, 22, 32, 34, 37, 38, 40, 44, 55, 68, 74, 76, 80, 85, 88, 95, 110, 136, 148, 152, 160, 170, 176, 185, 187, 190, 209, 220, 272, 296, 304, 323, 340, 352, 370, 374, 380, 407, 418, 440, 544, 592, 608, 629, 646, 680, 703, 740, 748, 760, 814, 836, 880, 935, 1045, 1184, 1258, 1292, 1360, 1406, 1480, 1496, 1520, 1615, 1628, 1672, 1760, 1870, 2035, 2090, 2516, 2584, 2720, 2812, 2960, 2992, 3040, 3145, 3230, 3256, 3344, 3515, 3553, 3740, 4070, 4180, 5032, 5168, 5624, 5920, 5984, 6290, 6460, 6512, 6688, 6919, 7030, 7106, 7480, 7733, 8140, 8360, 10064, 10336, 11248, 11951, 12580, 12920, 13024, 13838, 14060, 14212, 14960, 15466, 16280, 16720, 17765, 20128, 22496, 23902, 25160, 25840, 27676, 28120, 28424, 29920, 30932, 32560, 33440, 34595, 35530, 38665, 47804, 50320, 51680, 55352, 56240, 56848, 59755, 61864, 65120, 69190, 71060, 77330, 95608, 100640, 110704, 112480, 113696, 119510, 123728, 131461, 138380, 142120, 154660, 191216, 221408, 239020, 247456, 262922, 276760, 284240, 309320, 382432, 478040, 525844, 553520, 568480, 618640, 657305, 956080, 1051688, 1107040, 1237280, 1314610, 1912160, 2103376, 2629220, 4206752, 5258440, 10516880, 21033760]

約数ペア:

[(1, 21033760), (2, 10516880), (4, 5258440), (5, 4206752), (8, 2629220), (10, 2103376), (11, 1912160), (16, 1314610), (17, 1237280), (19, 1107040), (20, 1051688), (22, 956080), (32, 657305), (34, 618640), (37, 568480), (38, 553520), (40, 525844), (44, 478040), (55, 382432), (68, 309320), (74, 284240), (76, 276760), (80, 262922), (85, 247456), (88, 239020), (95, 221408), (110, 191216), (136, 154660), (148, 142120), (152, 138380), (160, 131461), (170, 123728), (176, 119510), (185, 113696), (187, 112480), (190, 110704), (209, 100640), (220, 95608), (272, 77330), (296, 71060), (304, 69190), (323, 65120), (340, 61864), (352, 59755), (370, 56848), (374, 56240), (380, 55352), (407, 51680), (418, 50320), (440, 47804), (544, 38665), (592, 35530), (608, 34595), (629, 33440), (646, 32560), (680, 30932), (703, 29920), (740, 28424), (748, 28120), (760, 27676), (814, 25840), (836, 25160), (880, 23902), (935, 22496), (1045, 20128), (1184, 17765), (1258, 16720), (1292, 16280), (1360, 15466), (1406, 14960), (1480, 14212), (1496, 14060), (1520, 13838), (1615, 13024), (1628, 12920), (1672, 12580), (1760, 11951), (1870, 11248), (2035, 10336), (2090, 10064), (2516, 8360), (2584, 8140), (2720, 7733), (2812, 7480), (2960, 7106), (2992, 7030), (3040, 6919), (3145, 6688), (3230, 6512), (3256, 6460), (3344, 6290), (3515, 5984), (3553, 5920), (3740, 5624), (4070, 5168), (4180, 5032)]