21863742

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 47996928

約数和(自身を除く): 26133186

約数列:

[1, 2, 3, 6, 31, 41, 47, 61, 62, 82, 93, 94, 122, 123, 141, 183, 186, 246, 282, 366, 1271, 1457, 1891, 1927, 2501, 2542, 2867, 2914, 3782, 3813, 3854, 4371, 5002, 5673, 5734, 5781, 7503, 7626, 8601, 8742, 11346, 11562, 15006, 17202, 59737, 77531, 88877, 117547, 119474, 155062, 177754, 179211, 232593, 235094, 266631, 352641, 358422, 465186, 533262, 705282, 3643957, 7287914, 10931871, 21863742]

約数ペア:

[(1, 21863742), (2, 10931871), (3, 7287914), (6, 3643957), (31, 705282), (41, 533262), (47, 465186), (61, 358422), (62, 352641), (82, 266631), (93, 235094), (94, 232593), (122, 179211), (123, 177754), (141, 155062), (183, 119474), (186, 117547), (246, 88877), (282, 77531), (366, 59737), (1271, 17202), (1457, 15006), (1891, 11562), (1927, 11346), (2501, 8742), (2542, 8601), (2867, 7626), (2914, 7503), (3782, 5781), (3813, 5734), (3854, 5673), (4371, 5002)]