21027750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 55901664

約数和(自身を除く): 34873914

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 53, 69, 75, 106, 115, 125, 138, 150, 159, 230, 250, 265, 318, 345, 375, 529, 530, 575, 690, 750, 795, 1058, 1150, 1219, 1325, 1587, 1590, 1725, 2438, 2645, 2650, 2875, 3174, 3450, 3657, 3975, 5290, 5750, 6095, 6625, 7314, 7935, 7950, 8625, 12190, 13225, 13250, 15870, 17250, 18285, 19875, 26450, 28037, 30475, 36570, 39675, 39750, 56074, 60950, 66125, 79350, 84111, 91425, 132250, 140185, 152375, 168222, 182850, 198375, 280370, 304750, 396750, 420555, 457125, 700925, 841110, 914250, 1401850, 2102775, 3504625, 4205550, 7009250, 10513875, 21027750]

約数ペア:

[(1, 21027750), (2, 10513875), (3, 7009250), (5, 4205550), (6, 3504625), (10, 2102775), (15, 1401850), (23, 914250), (25, 841110), (30, 700925), (46, 457125), (50, 420555), (53, 396750), (69, 304750), (75, 280370), (106, 198375), (115, 182850), (125, 168222), (138, 152375), (150, 140185), (159, 132250), (230, 91425), (250, 84111), (265, 79350), (318, 66125), (345, 60950), (375, 56074), (529, 39750), (530, 39675), (575, 36570), (690, 30475), (750, 28037), (795, 26450), (1058, 19875), (1150, 18285), (1219, 17250), (1325, 15870), (1587, 13250), (1590, 13225), (1725, 12190), (2438, 8625), (2645, 7950), (2650, 7935), (2875, 7314), (3174, 6625), (3450, 6095), (3657, 5750), (3975, 5290)]