21476924

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 44943360

約数和(自身を除く): 23466436

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 109, 124, 217, 218, 227, 434, 436, 454, 763, 868, 908, 1526, 1589, 3052, 3178, 3379, 6356, 6758, 7037, 13516, 14074, 23653, 24743, 28148, 47306, 49259, 49486, 94612, 98518, 98972, 173201, 197036, 346402, 692804, 767033, 1534066, 3068132, 5369231, 10738462, 21476924]

約数ペア:

[(1, 21476924), (2, 10738462), (4, 5369231), (7, 3068132), (14, 1534066), (28, 767033), (31, 692804), (62, 346402), (109, 197036), (124, 173201), (217, 98972), (218, 98518), (227, 94612), (434, 49486), (436, 49259), (454, 47306), (763, 28148), (868, 24743), (908, 23653), (1526, 14074), (1589, 13516), (3052, 7037), (3178, 6758), (3379, 6356)]