21464924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 42143136

約数和(自身を除く): 20678212

約数列:

[1, 2, 4, 13, 26, 52, 61, 67, 101, 122, 134, 202, 244, 268, 404, 793, 871, 1313, 1586, 1742, 2626, 3172, 3484, 4087, 5252, 6161, 6767, 8174, 12322, 13534, 16348, 24644, 27068, 53131, 80093, 87971, 106262, 160186, 175942, 212524, 320372, 351884, 412787, 825574, 1651148, 5366231, 10732462, 21464924]

約数ペア:

[(1, 21464924), (2, 10732462), (4, 5366231), (13, 1651148), (26, 825574), (52, 412787), (61, 351884), (67, 320372), (101, 212524), (122, 175942), (134, 160186), (202, 106262), (244, 87971), (268, 80093), (404, 53131), (793, 27068), (871, 24644), (1313, 16348), (1586, 13534), (1742, 12322), (2626, 8174), (3172, 6767), (3484, 6161), (4087, 5252)]