21134464

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{977}}^1$

素因数の和:1017

約数の個数: 48

約数和(自身を含む): 45638370

約数和(自身を除く): 24503906

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 977, 1352, 1664, 1954, 2704, 3908, 5408, 7816, 10816, 12701, 15632, 21632, 25402, 31264, 50804, 62528, 101608, 125056, 165113, 203216, 330226, 406432, 660452, 812864, 1320904, 1625728, 2641808, 5283616, 10567232, 21134464]

約数ペア:

[(1, 21134464), (2, 10567232), (4, 5283616), (8, 2641808), (13, 1625728), (16, 1320904), (26, 812864), (32, 660452), (52, 406432), (64, 330226), (104, 203216), (128, 165113), (169, 125056), (208, 101608), (338, 62528), (416, 50804), (676, 31264), (832, 25402), (977, 21632), (1352, 15632), (1664, 12701), (1954, 10816), (2704, 7816), (3908, 5408)]