21010912

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2971}}^1$

素因数の和:3011

約数の個数: 48

約数和(自身を含む): 47183472

約数和(自身を除く): 26172560

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 2971, 3536, 5942, 7072, 11884, 23768, 38623, 47536, 50507, 77246, 95072, 101014, 154492, 202028, 308984, 404056, 617968, 656591, 808112, 1235936, 1313182, 1616224, 2626364, 5252728, 10505456, 21010912]

約数ペア:

[(1, 21010912), (2, 10505456), (4, 5252728), (8, 2626364), (13, 1616224), (16, 1313182), (17, 1235936), (26, 808112), (32, 656591), (34, 617968), (52, 404056), (68, 308984), (104, 202028), (136, 154492), (208, 101014), (221, 95072), (272, 77246), (416, 50507), (442, 47536), (544, 38623), (884, 23768), (1768, 11884), (2971, 7072), (3536, 5942)]