21744464

素因数分解:

$2^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1303}}^1$

素因数の和:1467

約数の個数: 40

約数和(自身を含む): 48508800

約数和(自身を除く): 26764336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 149, 298, 596, 1043, 1192, 1303, 2086, 2384, 2606, 4172, 5212, 8344, 9121, 10424, 16688, 18242, 20848, 36484, 72968, 145936, 194147, 388294, 776588, 1359029, 1553176, 2718058, 3106352, 5436116, 10872232, 21744464]

約数ペア:

[(1, 21744464), (2, 10872232), (4, 5436116), (7, 3106352), (8, 2718058), (14, 1553176), (16, 1359029), (28, 776588), (56, 388294), (112, 194147), (149, 145936), (298, 72968), (596, 36484), (1043, 20848), (1192, 18242), (1303, 16688), (2086, 10424), (2384, 9121), (2606, 8344), (4172, 5212)]