21693750

素因数分解:

$2^1\times 3^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 59058720

約数和(自身を除く): 37364970

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 89, 125, 130, 150, 178, 195, 250, 267, 325, 375, 390, 445, 534, 625, 650, 750, 890, 975, 1157, 1250, 1335, 1625, 1875, 1950, 2225, 2314, 2670, 3125, 3250, 3471, 3750, 4450, 4875, 5785, 6250, 6675, 6942, 8125, 9375, 9750, 11125, 11570, 13350, 16250, 17355, 18750, 22250, 24375, 28925, 33375, 34710, 40625, 48750, 55625, 57850, 66750, 81250, 86775, 111250, 121875, 144625, 166875, 173550, 243750, 278125, 289250, 333750, 433875, 556250, 723125, 834375, 867750, 1446250, 1668750, 2169375, 3615625, 4338750, 7231250, 10846875, 21693750]

約数ペア:

[(1, 21693750), (2, 10846875), (3, 7231250), (5, 4338750), (6, 3615625), (10, 2169375), (13, 1668750), (15, 1446250), (25, 867750), (26, 834375), (30, 723125), (39, 556250), (50, 433875), (65, 333750), (75, 289250), (78, 278125), (89, 243750), (125, 173550), (130, 166875), (150, 144625), (178, 121875), (195, 111250), (250, 86775), (267, 81250), (325, 66750), (375, 57850), (390, 55625), (445, 48750), (534, 40625), (625, 34710), (650, 33375), (750, 28925), (890, 24375), (975, 22250), (1157, 18750), (1250, 17355), (1335, 16250), (1625, 13350), (1875, 11570), (1950, 11125), (2225, 9750), (2314, 9375), (2670, 8125), (3125, 6942), (3250, 6675), (3471, 6250), (3750, 5785), (4450, 4875)]