21510112

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1783}}^1$

素因数の和:1835

約数の個数: 48

約数和(自身を含む): 47204640

約数和(自身を除く): 25694528

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 104, 116, 208, 232, 377, 416, 464, 754, 928, 1508, 1783, 3016, 3566, 6032, 7132, 12064, 14264, 23179, 28528, 46358, 51707, 57056, 92716, 103414, 185432, 206828, 370864, 413656, 672191, 741728, 827312, 1344382, 1654624, 2688764, 5377528, 10755056, 21510112]

約数ペア:

[(1, 21510112), (2, 10755056), (4, 5377528), (8, 2688764), (13, 1654624), (16, 1344382), (26, 827312), (29, 741728), (32, 672191), (52, 413656), (58, 370864), (104, 206828), (116, 185432), (208, 103414), (232, 92716), (377, 57056), (416, 51707), (464, 46358), (754, 28528), (928, 23179), (1508, 14264), (1783, 12064), (3016, 7132), (3566, 6032)]