21921625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 30326400

約数和(自身を除く): 8404775

約数列:

[1, 5, 11, 25, 55, 107, 125, 149, 275, 535, 745, 1177, 1375, 1639, 2675, 3725, 5885, 8195, 13375, 15943, 18625, 29425, 40975, 79715, 147125, 175373, 204875, 398575, 876865, 1992875, 4384325, 21921625]

約数ペア:

[(1, 21921625), (5, 4384325), (11, 1992875), (25, 876865), (55, 398575), (107, 204875), (125, 175373), (149, 147125), (275, 79715), (535, 40975), (745, 29425), (1177, 18625), (1375, 15943), (1639, 13375), (2675, 8195), (3725, 5885)]