21929752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 46922400

約数和(自身を除く): 24992648

約数列:

[1, 2, 4, 8, 13, 26, 37, 41, 52, 74, 82, 104, 139, 148, 164, 278, 296, 328, 481, 533, 556, 962, 1066, 1112, 1517, 1807, 1924, 2132, 3034, 3614, 3848, 4264, 5143, 5699, 6068, 7228, 10286, 11398, 12136, 14456, 19721, 20572, 22796, 39442, 41144, 45592, 66859, 74087, 78884, 133718, 148174, 157768, 210863, 267436, 296348, 421726, 534872, 592696, 843452, 1686904, 2741219, 5482438, 10964876, 21929752]

約数ペア:

[(1, 21929752), (2, 10964876), (4, 5482438), (8, 2741219), (13, 1686904), (26, 843452), (37, 592696), (41, 534872), (52, 421726), (74, 296348), (82, 267436), (104, 210863), (139, 157768), (148, 148174), (164, 133718), (278, 78884), (296, 74087), (328, 66859), (481, 45592), (533, 41144), (556, 39442), (962, 22796), (1066, 20572), (1112, 19721), (1517, 14456), (1807, 12136), (1924, 11398), (2132, 10286), (3034, 7228), (3614, 6068), (3848, 5699), (4264, 5143)]