21953100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{433}}^1$

素因数の和:476

約数の個数: 108

約数和(自身を含む): 68938296

約数和(自身を除く): 46985196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 169, 195, 260, 300, 325, 338, 390, 433, 507, 650, 676, 780, 845, 866, 975, 1014, 1299, 1300, 1690, 1732, 1950, 2028, 2165, 2535, 2598, 3380, 3900, 4225, 4330, 5070, 5196, 5629, 6495, 8450, 8660, 10140, 10825, 11258, 12675, 12990, 16887, 16900, 21650, 22516, 25350, 25980, 28145, 32475, 33774, 43300, 50700, 56290, 64950, 67548, 73177, 84435, 112580, 129900, 140725, 146354, 168870, 219531, 281450, 292708, 337740, 365885, 422175, 439062, 562900, 731770, 844350, 878124, 1097655, 1463540, 1688700, 1829425, 2195310, 3658850, 4390620, 5488275, 7317700, 10976550, 21953100]

約数ペア:

[(1, 21953100), (2, 10976550), (3, 7317700), (4, 5488275), (5, 4390620), (6, 3658850), (10, 2195310), (12, 1829425), (13, 1688700), (15, 1463540), (20, 1097655), (25, 878124), (26, 844350), (30, 731770), (39, 562900), (50, 439062), (52, 422175), (60, 365885), (65, 337740), (75, 292708), (78, 281450), (100, 219531), (130, 168870), (150, 146354), (156, 140725), (169, 129900), (195, 112580), (260, 84435), (300, 73177), (325, 67548), (338, 64950), (390, 56290), (433, 50700), (507, 43300), (650, 33774), (676, 32475), (780, 28145), (845, 25980), (866, 25350), (975, 22516), (1014, 21650), (1299, 16900), (1300, 16887), (1690, 12990), (1732, 12675), (1950, 11258), (2028, 10825), (2165, 10140), (2535, 8660), (2598, 8450), (3380, 6495), (3900, 5629), (4225, 5196), (4330, 5070)]