21214674

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5333}}^1$

素因数の和:5371

約数の個数: 48

約数和(自身を含む): 52422552

約数和(自身を除く): 31207878

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5333, 10666, 15999, 31998, 47997, 69329, 90661, 95994, 138658, 181322, 207987, 271983, 415974, 543966, 623961, 815949, 1178593, 1247922, 1631898, 2357186, 3535779, 7071558, 10607337, 21214674]

約数ペア:

[(1, 21214674), (2, 10607337), (3, 7071558), (6, 3535779), (9, 2357186), (13, 1631898), (17, 1247922), (18, 1178593), (26, 815949), (34, 623961), (39, 543966), (51, 415974), (78, 271983), (102, 207987), (117, 181322), (153, 138658), (221, 95994), (234, 90661), (306, 69329), (442, 47997), (663, 31998), (1326, 15999), (1989, 10666), (3978, 5333)]