21437460

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 73749312

約数和(自身を除く): 52311852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 243, 270, 297, 324, 330, 396, 401, 405, 486, 495, 540, 594, 660, 802, 810, 891, 972, 990, 1188, 1203, 1215, 1485, 1604, 1620, 1782, 1980, 2005, 2406, 2430, 2673, 2970, 3564, 3609, 4010, 4411, 4455, 4812, 4860, 5346, 5940, 6015, 7218, 8020, 8822, 8910, 10692, 10827, 12030, 13233, 13365, 14436, 17644, 17820, 18045, 21654, 22055, 24060, 26466, 26730, 32481, 36090, 39699, 43308, 44110, 52932, 53460, 54135, 64962, 66165, 72180, 79398, 88220, 97443, 108270, 119097, 129924, 132330, 158796, 162405, 194886, 198495, 216540, 238194, 264660, 324810, 357291, 389772, 396990, 476388, 487215, 595485, 649620, 714582, 793980, 974430, 1071873, 1190970, 1429164, 1786455, 1948860, 2143746, 2381940, 3572910, 4287492, 5359365, 7145820, 10718730, 21437460]

約数ペア:

[(1, 21437460), (2, 10718730), (3, 7145820), (4, 5359365), (5, 4287492), (6, 3572910), (9, 2381940), (10, 2143746), (11, 1948860), (12, 1786455), (15, 1429164), (18, 1190970), (20, 1071873), (22, 974430), (27, 793980), (30, 714582), (33, 649620), (36, 595485), (44, 487215), (45, 476388), (54, 396990), (55, 389772), (60, 357291), (66, 324810), (81, 264660), (90, 238194), (99, 216540), (108, 198495), (110, 194886), (132, 162405), (135, 158796), (162, 132330), (165, 129924), (180, 119097), (198, 108270), (220, 97443), (243, 88220), (270, 79398), (297, 72180), (324, 66165), (330, 64962), (396, 54135), (401, 53460), (405, 52932), (486, 44110), (495, 43308), (540, 39699), (594, 36090), (660, 32481), (802, 26730), (810, 26466), (891, 24060), (972, 22055), (990, 21654), (1188, 18045), (1203, 17820), (1215, 17644), (1485, 14436), (1604, 13365), (1620, 13233), (1782, 12030), (1980, 10827), (2005, 10692), (2406, 8910), (2430, 8822), (2673, 8020), (2970, 7218), (3564, 6015), (3609, 5940), (4010, 5346), (4411, 4860), (4455, 4812)]