21910366

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 35463168

約数和(自身を除く): 13552802

約数列:

[1, 2, 31, 47, 62, 73, 94, 103, 146, 206, 1457, 2263, 2914, 3193, 3431, 4526, 4841, 6386, 6862, 7519, 9682, 15038, 106361, 150071, 212722, 233089, 300142, 353393, 466178, 706786, 10955183, 21910366]

約数ペア:

[(1, 21910366), (2, 10955183), (31, 706786), (47, 466178), (62, 353393), (73, 300142), (94, 233089), (103, 212722), (146, 150071), (206, 106361), (1457, 15038), (2263, 9682), (2914, 7519), (3193, 6862), (3431, 6386), (4526, 4841)]