21150952

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{613}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 41997600

約数和(自身を除く): 20846648

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 227, 454, 613, 908, 1226, 1816, 2452, 4313, 4904, 8626, 11647, 17252, 23294, 34504, 46588, 93176, 139151, 278302, 556604, 1113208, 2643869, 5287738, 10575476, 21150952]

約数ペア:

[(1, 21150952), (2, 10575476), (4, 5287738), (8, 2643869), (19, 1113208), (38, 556604), (76, 278302), (152, 139151), (227, 93176), (454, 46588), (613, 34504), (908, 23294), (1226, 17252), (1816, 11647), (2452, 8626), (4313, 4904)]