21234840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16087}}^1$

素因数の和:16112

約数の個数: 64

約数和(自身を含む): 69500160

約数和(自身を除く): 48265320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 16087, 32174, 48261, 64348, 80435, 96522, 128696, 160870, 176957, 193044, 241305, 321740, 353914, 386088, 482610, 530871, 643480, 707828, 884785, 965220, 1061742, 1415656, 1769570, 1930440, 2123484, 2654355, 3539140, 4246968, 5308710, 7078280, 10617420, 21234840]

約数ペア:

[(1, 21234840), (2, 10617420), (3, 7078280), (4, 5308710), (5, 4246968), (6, 3539140), (8, 2654355), (10, 2123484), (11, 1930440), (12, 1769570), (15, 1415656), (20, 1061742), (22, 965220), (24, 884785), (30, 707828), (33, 643480), (40, 530871), (44, 482610), (55, 386088), (60, 353914), (66, 321740), (88, 241305), (110, 193044), (120, 176957), (132, 160870), (165, 128696), (220, 96522), (264, 80435), (330, 64348), (440, 48261), (660, 32174), (1320, 16087)]