21120527700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{263677}}^1$

素因数の和:263786

約数の個数: 108

約数和(自身を含む): 66945207420

約数和(自身を除く): 45824679720

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 89, 90, 100, 150, 178, 180, 225, 267, 300, 356, 445, 450, 534, 801, 890, 900, 1068, 1335, 1602, 1780, 2225, 2670, 3204, 4005, 4450, 5340, 6675, 8010, 8900, 13350, 16020, 20025, 26700, 40050, 80100, 263677, 527354, 791031, 1054708, 1318385, 1582062, 2373093, 2636770, 3164124, 3955155, 4746186, 5273540, 6591925, 7910310, 9492372, 11865465, 13183850, 15820620, 19775775, 23467253, 23730930, 26367700, 39551550, 46934506, 47461860, 59327325, 70401759, 79103100, 93869012, 117336265, 118654650, 140803518, 211205277, 234672530, 237309300, 281607036, 352008795, 422410554, 469345060, 586681325, 704017590, 844821108, 1056026385, 1173362650, 1408035180, 1760043975, 2112052770, 2346725300, 3520087950, 4224105540, 5280131925, 7040175900, 10560263850, 21120527700]

約数ペア:

[(1, 21120527700), (2, 10560263850), (3, 7040175900), (4, 5280131925), (5, 4224105540), (6, 3520087950), (9, 2346725300), (10, 2112052770), (12, 1760043975), (15, 1408035180), (18, 1173362650), (20, 1056026385), (25, 844821108), (30, 704017590), (36, 586681325), (45, 469345060), (50, 422410554), (60, 352008795), (75, 281607036), (89, 237309300), (90, 234672530), (100, 211205277), (150, 140803518), (178, 118654650), (180, 117336265), (225, 93869012), (267, 79103100), (300, 70401759), (356, 59327325), (445, 47461860), (450, 46934506), (534, 39551550), (801, 26367700), (890, 23730930), (900, 23467253), (1068, 19775775), (1335, 15820620), (1602, 13183850), (1780, 11865465), (2225, 9492372), (2670, 7910310), (3204, 6591925), (4005, 5273540), (4450, 4746186), (5340, 3955155), (6675, 3164124), (8010, 2636770), (8900, 2373093), (13350, 1582062), (16020, 1318385), (20025, 1054708), (26700, 791031), (40050, 527354), (80100, 263677)]