21511552

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{4099}}^1$

素因数の和:4154

約数の個数: 32

約数和(自身を含む): 43911000

約数和(自身を除く): 22399448

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 4099, 5248, 8198, 16396, 32792, 65584, 131168, 168059, 262336, 336118, 524672, 672236, 1344472, 2688944, 5377888, 10755776, 21511552]

約数ペア:

[(1, 21511552), (2, 10755776), (4, 5377888), (8, 2688944), (16, 1344472), (32, 672236), (41, 524672), (64, 336118), (82, 262336), (128, 168059), (164, 131168), (328, 65584), (656, 32792), (1312, 16396), (2624, 8198), (4099, 5248)]