21459704

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10357}}^1$

素因数の和:10407

約数の個数: 32

約数和(自身を含む): 47232480

約数和(自身を除く): 25772776

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10357, 20714, 41428, 72499, 82856, 144998, 289996, 383209, 579992, 766418, 1532836, 2682463, 3065672, 5364926, 10729852, 21459704]

約数ペア:

[(1, 21459704), (2, 10729852), (4, 5364926), (7, 3065672), (8, 2682463), (14, 1532836), (28, 766418), (37, 579992), (56, 383209), (74, 289996), (148, 144998), (259, 82856), (296, 72499), (518, 41428), (1036, 20714), (2072, 10357)]