21875802

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 51408000

約数和(自身を除く): 29532198

約数列:

[1, 2, 3, 6, 13, 19, 26, 29, 38, 39, 57, 58, 78, 87, 114, 174, 247, 377, 494, 509, 551, 741, 754, 1018, 1102, 1131, 1482, 1527, 1653, 2262, 3054, 3306, 6617, 7163, 9671, 13234, 14326, 14761, 19342, 19851, 21489, 29013, 29522, 39702, 42978, 44283, 58026, 88566, 125723, 191893, 251446, 280459, 377169, 383786, 560918, 575679, 754338, 841377, 1151358, 1682754, 3645967, 7291934, 10937901, 21875802]

約数ペア:

[(1, 21875802), (2, 10937901), (3, 7291934), (6, 3645967), (13, 1682754), (19, 1151358), (26, 841377), (29, 754338), (38, 575679), (39, 560918), (57, 383786), (58, 377169), (78, 280459), (87, 251446), (114, 191893), (174, 125723), (247, 88566), (377, 58026), (494, 44283), (509, 42978), (551, 39702), (741, 29522), (754, 29013), (1018, 21489), (1102, 19851), (1131, 19342), (1482, 14761), (1527, 14326), (1653, 13234), (2262, 9671), (3054, 7163), (3306, 6617)]