21707634

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 27281166

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 59, 78, 89, 106, 118, 159, 177, 178, 267, 318, 354, 534, 689, 767, 1157, 1378, 1534, 2067, 2301, 2314, 3127, 3471, 4134, 4602, 4717, 5251, 6254, 6942, 9381, 9434, 10502, 14151, 15753, 18762, 28302, 31506, 40651, 61321, 68263, 81302, 121953, 122642, 136526, 183963, 204789, 243906, 278303, 367926, 409578, 556606, 834909, 1669818, 3617939, 7235878, 10853817, 21707634]

約数ペア:

[(1, 21707634), (2, 10853817), (3, 7235878), (6, 3617939), (13, 1669818), (26, 834909), (39, 556606), (53, 409578), (59, 367926), (78, 278303), (89, 243906), (106, 204789), (118, 183963), (159, 136526), (177, 122642), (178, 121953), (267, 81302), (318, 68263), (354, 61321), (534, 40651), (689, 31506), (767, 28302), (1157, 18762), (1378, 15753), (1534, 14151), (2067, 10502), (2301, 9434), (2314, 9381), (3127, 6942), (3471, 6254), (4134, 5251), (4602, 4717)]