21385312

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51407}}^1$

素因数の和:51430

約数の個数: 24

約数和(自身を含む): 45341856

約数和(自身を除く): 23956544

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51407, 102814, 205628, 411256, 668291, 822512, 1336582, 1645024, 2673164, 5346328, 10692656, 21385312]

約数ペア:

[(1, 21385312), (2, 10692656), (4, 5346328), (8, 2673164), (13, 1645024), (16, 1336582), (26, 822512), (32, 668291), (52, 411256), (104, 205628), (208, 102814), (416, 51407)]