21117648

素因数分解:

$2^4\times 3^1\times {\mathrm{79}}^1\times {\mathrm{5569}}^1$

素因数の和:5659

約数の個数: 40

約数和(自身を含む): 55254400

約数和(自身を除く): 34136752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 79, 158, 237, 316, 474, 632, 948, 1264, 1896, 3792, 5569, 11138, 16707, 22276, 33414, 44552, 66828, 89104, 133656, 267312, 439951, 879902, 1319853, 1759804, 2639706, 3519608, 5279412, 7039216, 10558824, 21117648]

約数ペア:

[(1, 21117648), (2, 10558824), (3, 7039216), (4, 5279412), (6, 3519608), (8, 2639706), (12, 1759804), (16, 1319853), (24, 879902), (48, 439951), (79, 267312), (158, 133656), (237, 89104), (316, 66828), (474, 44552), (632, 33414), (948, 22276), (1264, 16707), (1896, 11138), (3792, 5569)]