21766374

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 34220826

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 89, 126, 178, 189, 267, 378, 534, 623, 647, 801, 1246, 1294, 1602, 1869, 1941, 2403, 3738, 3882, 4529, 4806, 5607, 5823, 9058, 11214, 11646, 13587, 16821, 17469, 27174, 33642, 34938, 40761, 57583, 81522, 115166, 122283, 172749, 244566, 345498, 403081, 518247, 806162, 1036494, 1209243, 1554741, 2418486, 3109482, 3627729, 7255458, 10883187, 21766374]

約数ペア:

[(1, 21766374), (2, 10883187), (3, 7255458), (6, 3627729), (7, 3109482), (9, 2418486), (14, 1554741), (18, 1209243), (21, 1036494), (27, 806162), (42, 518247), (54, 403081), (63, 345498), (89, 244566), (126, 172749), (178, 122283), (189, 115166), (267, 81522), (378, 57583), (534, 40761), (623, 34938), (647, 33642), (801, 27174), (1246, 17469), (1294, 16821), (1602, 13587), (1869, 11646), (1941, 11214), (2403, 9058), (3738, 5823), (3882, 5607), (4529, 4806)]