21693550

素因数分解:

$2^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1601}}^1$

素因数の和:1884

約数の個数: 24

約数和(自身を含む): 40524192

約数和(自身を除く): 18830642

約数列:

[1, 2, 5, 10, 25, 50, 271, 542, 1355, 1601, 2710, 3202, 6775, 8005, 13550, 16010, 40025, 80050, 433871, 867742, 2169355, 4338710, 10846775, 21693550]

約数ペア:

[(1, 21693550), (2, 10846775), (5, 4338710), (10, 2169355), (25, 867742), (50, 433871), (271, 80050), (542, 40025), (1355, 16010), (1601, 13550), (2710, 8005), (3202, 6775)]