2021115616

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{16249}}^1$

素因数の和:16308

約数の個数: 72

約数和(自身を含む): 4496310000

約数和(自身を除く): 2475194384

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 92, 104, 169, 184, 208, 299, 338, 368, 416, 598, 676, 736, 1196, 1352, 2392, 2704, 3887, 4784, 5408, 7774, 9568, 15548, 16249, 31096, 32498, 62192, 64996, 124384, 129992, 211237, 259984, 373727, 422474, 519968, 747454, 844948, 1494908, 1689896, 2746081, 2989816, 3379792, 4858451, 5492162, 5979632, 6759584, 9716902, 10984324, 11959264, 19433804, 21968648, 38867608, 43937296, 63159863, 77735216, 87874592, 126319726, 155470432, 252639452, 505278904, 1010557808, 2021115616]

約数ペア:

[(1, 2021115616), (2, 1010557808), (4, 505278904), (8, 252639452), (13, 155470432), (16, 126319726), (23, 87874592), (26, 77735216), (32, 63159863), (46, 43937296), (52, 38867608), (92, 21968648), (104, 19433804), (169, 11959264), (184, 10984324), (208, 9716902), (299, 6759584), (338, 5979632), (368, 5492162), (416, 4858451), (598, 3379792), (676, 2989816), (736, 2746081), (1196, 1689896), (1352, 1494908), (2392, 844948), (2704, 747454), (3887, 519968), (4784, 422474), (5408, 373727), (7774, 259984), (9568, 211237), (15548, 129992), (16249, 124384), (31096, 64996), (32498, 62192)]