21467056

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:518

約数の個数: 60

約数和(自身を含む): 47789352

約数和(自身を除く): 26322296

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 169, 208, 221, 272, 338, 442, 467, 676, 884, 934, 1352, 1768, 1868, 2704, 2873, 3536, 3736, 5746, 6071, 7472, 7939, 11492, 12142, 15878, 22984, 24284, 31756, 45968, 48568, 63512, 78923, 97136, 103207, 127024, 157846, 206414, 315692, 412828, 631384, 825656, 1262768, 1341691, 1651312, 2683382, 5366764, 10733528, 21467056]

約数ペア:

[(1, 21467056), (2, 10733528), (4, 5366764), (8, 2683382), (13, 1651312), (16, 1341691), (17, 1262768), (26, 825656), (34, 631384), (52, 412828), (68, 315692), (104, 206414), (136, 157846), (169, 127024), (208, 103207), (221, 97136), (272, 78923), (338, 63512), (442, 48568), (467, 45968), (676, 31756), (884, 24284), (934, 22984), (1352, 15878), (1768, 12142), (1868, 11492), (2704, 7939), (2873, 7472), (3536, 6071), (3736, 5746)]