21769800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2791}}^1$

素因数の和:2823

約数の個数: 96

約数和(自身を含む): 72703680

約数和(自身を除く): 50933880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 2791, 3900, 5582, 7800, 8373, 11164, 13955, 16746, 22328, 27910, 33492, 36283, 41865, 55820, 66984, 69775, 72566, 83730, 108849, 111640, 139550, 145132, 167460, 181415, 209325, 217698, 279100, 290264, 334920, 362830, 418650, 435396, 544245, 558200, 725660, 837300, 870792, 907075, 1088490, 1451320, 1674600, 1814150, 2176980, 2721225, 3628300, 4353960, 5442450, 7256600, 10884900, 21769800]

約数ペア:

[(1, 21769800), (2, 10884900), (3, 7256600), (4, 5442450), (5, 4353960), (6, 3628300), (8, 2721225), (10, 2176980), (12, 1814150), (13, 1674600), (15, 1451320), (20, 1088490), (24, 907075), (25, 870792), (26, 837300), (30, 725660), (39, 558200), (40, 544245), (50, 435396), (52, 418650), (60, 362830), (65, 334920), (75, 290264), (78, 279100), (100, 217698), (104, 209325), (120, 181415), (130, 167460), (150, 145132), (156, 139550), (195, 111640), (200, 108849), (260, 83730), (300, 72566), (312, 69775), (325, 66984), (390, 55820), (520, 41865), (600, 36283), (650, 33492), (780, 27910), (975, 22328), (1300, 16746), (1560, 13955), (1950, 11164), (2600, 8373), (2791, 7800), (3900, 5582)]