21057744

素因数分解:

$2^4\times 3^1\times {\mathrm{307}}^1\times {\mathrm{1429}}^1$

素因数の和:1747

約数の個数: 40

約数和(自身を含む): 54614560

約数和(自身を除く): 33556816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 307, 614, 921, 1228, 1429, 1842, 2456, 2858, 3684, 4287, 4912, 5716, 7368, 8574, 11432, 14736, 17148, 22864, 34296, 68592, 438703, 877406, 1316109, 1754812, 2632218, 3509624, 5264436, 7019248, 10528872, 21057744]

約数ペア:

[(1, 21057744), (2, 10528872), (3, 7019248), (4, 5264436), (6, 3509624), (8, 2632218), (12, 1754812), (16, 1316109), (24, 877406), (48, 438703), (307, 68592), (614, 34296), (921, 22864), (1228, 17148), (1429, 14736), (1842, 11432), (2456, 8574), (2858, 7368), (3684, 5716), (4287, 4912)]