21254625

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{2699}}^1$

素因数の和:2727

約数の個数: 48

約数和(自身を含む): 43804800

約数和(自身を除く): 22550175

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 875, 1125, 1575, 2625, 2699, 7875, 8097, 13495, 18893, 24291, 40485, 56679, 67475, 94465, 121455, 170037, 202425, 283395, 337375, 472325, 607275, 850185, 1012125, 1416975, 2361625, 3036375, 4250925, 7084875, 21254625]

約数ペア:

[(1, 21254625), (3, 7084875), (5, 4250925), (7, 3036375), (9, 2361625), (15, 1416975), (21, 1012125), (25, 850185), (35, 607275), (45, 472325), (63, 337375), (75, 283395), (105, 202425), (125, 170037), (175, 121455), (225, 94465), (315, 67475), (375, 56679), (525, 40485), (875, 24291), (1125, 18893), (1575, 13495), (2625, 8097), (2699, 7875)]