21625448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{773}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 43885800

約数和(自身を除く): 22260352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 269, 538, 773, 1076, 1546, 2152, 3092, 3497, 6184, 6994, 10049, 13988, 20098, 27976, 40196, 80392, 207937, 415874, 831748, 1663496, 2703181, 5406362, 10812724, 21625448]

約数ペア:

[(1, 21625448), (2, 10812724), (4, 5406362), (8, 2703181), (13, 1663496), (26, 831748), (52, 415874), (104, 207937), (269, 80392), (538, 40196), (773, 27976), (1076, 20098), (1546, 13988), (2152, 10049), (3092, 6994), (3497, 6184)]