21008112

素因数分解:

$2^4\times 3^1\times {\mathrm{541}}^1\times {\mathrm{809}}^1$

素因数の和:1361

約数の個数: 40

約数和(自身を含む): 54438480

約数和(自身を除く): 33430368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 541, 809, 1082, 1618, 1623, 2164, 2427, 3236, 3246, 4328, 4854, 6472, 6492, 8656, 9708, 12944, 12984, 19416, 25968, 38832, 437669, 875338, 1313007, 1750676, 2626014, 3501352, 5252028, 7002704, 10504056, 21008112]

約数ペア:

[(1, 21008112), (2, 10504056), (3, 7002704), (4, 5252028), (6, 3501352), (8, 2626014), (12, 1750676), (16, 1313007), (24, 875338), (48, 437669), (541, 38832), (809, 25968), (1082, 19416), (1618, 12984), (1623, 12944), (2164, 9708), (2427, 8656), (3236, 6492), (3246, 6472), (4328, 4854)]