21034648

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{397}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 40834800

約数和(自身を除く): 19800152

約数列:

[1, 2, 4, 8, 37, 74, 148, 179, 296, 358, 397, 716, 794, 1432, 1588, 3176, 6623, 13246, 14689, 26492, 29378, 52984, 58756, 71063, 117512, 142126, 284252, 568504, 2629331, 5258662, 10517324, 21034648]

約数ペア:

[(1, 21034648), (2, 10517324), (4, 5258662), (8, 2629331), (37, 568504), (74, 284252), (148, 142126), (179, 117512), (296, 71063), (358, 58756), (397, 52984), (716, 29378), (794, 26492), (1432, 14689), (1588, 13246), (3176, 6623)]