21845572

素因数分解:

$2^2\times 7^2\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:736

約数の個数: 36

約数和(自身を含む): 44758224

約数和(自身を除く): 22912652

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 227, 454, 491, 908, 982, 1589, 1964, 3178, 3437, 6356, 6874, 11123, 13748, 22246, 24059, 44492, 48118, 96236, 111457, 222914, 445828, 780199, 1560398, 3120796, 5461393, 10922786, 21845572]

約数ペア:

[(1, 21845572), (2, 10922786), (4, 5461393), (7, 3120796), (14, 1560398), (28, 780199), (49, 445828), (98, 222914), (196, 111457), (227, 96236), (454, 48118), (491, 44492), (908, 24059), (982, 22246), (1589, 13748), (1964, 11123), (3178, 6874), (3437, 6356)]