21976988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2671}}^1$

素因数の和:2714

約数の個数: 36

約数和(自身を含む): 44777376

約数和(自身を除く): 22800388

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 2671, 4114, 5342, 8228, 10684, 29381, 45407, 58762, 90814, 117524, 181628, 323191, 499477, 646382, 998954, 1292764, 1997908, 5494247, 10988494, 21976988]

約数ペア:

[(1, 21976988), (2, 10988494), (4, 5494247), (11, 1997908), (17, 1292764), (22, 998954), (34, 646382), (44, 499477), (68, 323191), (121, 181628), (187, 117524), (242, 90814), (374, 58762), (484, 45407), (748, 29381), (2057, 10684), (2671, 8228), (4114, 5342)]