21020704

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{2273}}^1$

素因数の和:2317

約数の個数: 36

約数和(自身を含む): 43981434

約数和(自身を除く): 22960730

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2273, 2312, 4546, 4624, 9092, 9248, 18184, 36368, 38641, 72736, 77282, 154564, 309128, 618256, 656897, 1236512, 1313794, 2627588, 5255176, 10510352, 21020704]

約数ペア:

[(1, 21020704), (2, 10510352), (4, 5255176), (8, 2627588), (16, 1313794), (17, 1236512), (32, 656897), (34, 618256), (68, 309128), (136, 154564), (272, 77282), (289, 72736), (544, 38641), (578, 36368), (1156, 18184), (2273, 9248), (2312, 9092), (4546, 4624)]