21977382

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 52416000

約数和(自身を除く): 30438618

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 59, 98, 118, 147, 177, 181, 294, 343, 354, 362, 413, 543, 686, 826, 1029, 1086, 1239, 1267, 2058, 2478, 2534, 2891, 3801, 5782, 7602, 8673, 8869, 10679, 17346, 17738, 20237, 21358, 26607, 32037, 40474, 53214, 60711, 62083, 64074, 74753, 121422, 124166, 149506, 186249, 224259, 372498, 448518, 523271, 1046542, 1569813, 3139626, 3662897, 7325794, 10988691, 21977382]

約数ペア:

[(1, 21977382), (2, 10988691), (3, 7325794), (6, 3662897), (7, 3139626), (14, 1569813), (21, 1046542), (42, 523271), (49, 448518), (59, 372498), (98, 224259), (118, 186249), (147, 149506), (177, 124166), (181, 121422), (294, 74753), (343, 64074), (354, 62083), (362, 60711), (413, 53214), (543, 40474), (686, 32037), (826, 26607), (1029, 21358), (1086, 20237), (1239, 17738), (1267, 17346), (2058, 10679), (2478, 8869), (2534, 8673), (2891, 7602), (3801, 5782)]