21325500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{677}}^1$

素因数の和:709

約数の個数: 144

約数和(自身を含む): 76999104

約数和(自身を除く): 55673604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 630, 677, 700, 750, 875, 900, 1050, 1125, 1260, 1354, 1500, 1575, 1750, 2031, 2100, 2250, 2625, 2708, 3150, 3385, 3500, 4062, 4500, 4739, 5250, 6093, 6300, 6770, 7875, 8124, 9478, 10155, 10500, 12186, 13540, 14217, 15750, 16925, 18956, 20310, 23695, 24372, 28434, 30465, 31500, 33850, 40620, 42651, 47390, 50775, 56868, 60930, 67700, 71085, 84625, 85302, 94780, 101550, 118475, 121860, 142170, 152325, 169250, 170604, 203100, 213255, 236950, 253875, 284340, 304650, 338500, 355425, 426510, 473900, 507750, 592375, 609300, 710850, 761625, 853020, 1015500, 1066275, 1184750, 1421700, 1523250, 1777125, 2132550, 2369500, 3046500, 3554250, 4265100, 5331375, 7108500, 10662750, 21325500]

約数ペア:

[(1, 21325500), (2, 10662750), (3, 7108500), (4, 5331375), (5, 4265100), (6, 3554250), (7, 3046500), (9, 2369500), (10, 2132550), (12, 1777125), (14, 1523250), (15, 1421700), (18, 1184750), (20, 1066275), (21, 1015500), (25, 853020), (28, 761625), (30, 710850), (35, 609300), (36, 592375), (42, 507750), (45, 473900), (50, 426510), (60, 355425), (63, 338500), (70, 304650), (75, 284340), (84, 253875), (90, 236950), (100, 213255), (105, 203100), (125, 170604), (126, 169250), (140, 152325), (150, 142170), (175, 121860), (180, 118475), (210, 101550), (225, 94780), (250, 85302), (252, 84625), (300, 71085), (315, 67700), (350, 60930), (375, 56868), (420, 50775), (450, 47390), (500, 42651), (525, 40620), (630, 33850), (677, 31500), (700, 30465), (750, 28434), (875, 24372), (900, 23695), (1050, 20310), (1125, 18956), (1260, 16925), (1354, 15750), (1500, 14217), (1575, 13540), (1750, 12186), (2031, 10500), (2100, 10155), (2250, 9478), (2625, 8124), (2708, 7875), (3150, 6770), (3385, 6300), (3500, 6093), (4062, 5250), (4500, 4739)]