21734125

素因数分解:

$5^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 31599360

約数和(自身を除く): 9865235

約数列:

[1, 5, 7, 25, 35, 59, 125, 175, 295, 413, 421, 875, 1475, 2065, 2105, 2947, 7375, 10325, 10525, 14735, 24839, 51625, 52625, 73675, 124195, 173873, 368375, 620975, 869365, 3104875, 4346825, 21734125]

約数ペア:

[(1, 21734125), (5, 4346825), (7, 3104875), (25, 869365), (35, 620975), (59, 368375), (125, 173873), (175, 124195), (295, 73675), (413, 52625), (421, 51625), (875, 24839), (1475, 14735), (2065, 10525), (2105, 10325), (2947, 7375)]