21615277644

素因数分解:

$2^2\times 3^2\times {\mathrm{251}}^1\times {\mathrm{461}}^1\times {\mathrm{5189}}^1$

素因数の和:5911

約数の個数: 72

約数和(自身を含む): 54985890960

約数和(自身を除く): 33370613316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 251, 461, 502, 753, 922, 1004, 1383, 1506, 1844, 2259, 2766, 3012, 4149, 4518, 5189, 5532, 8298, 9036, 10378, 15567, 16596, 20756, 31134, 46701, 62268, 93402, 115711, 186804, 231422, 347133, 462844, 694266, 1041399, 1302439, 1388532, 2082798, 2392129, 2604878, 3907317, 4165596, 4784258, 5209756, 7176387, 7814634, 9568516, 11721951, 14352774, 15629268, 21529161, 23443902, 28705548, 43058322, 46887804, 86116644, 600424379, 1200848758, 1801273137, 2401697516, 3602546274, 5403819411, 7205092548, 10807638822, 21615277644]

約数ペア:

[(1, 21615277644), (2, 10807638822), (3, 7205092548), (4, 5403819411), (6, 3602546274), (9, 2401697516), (12, 1801273137), (18, 1200848758), (36, 600424379), (251, 86116644), (461, 46887804), (502, 43058322), (753, 28705548), (922, 23443902), (1004, 21529161), (1383, 15629268), (1506, 14352774), (1844, 11721951), (2259, 9568516), (2766, 7814634), (3012, 7176387), (4149, 5209756), (4518, 4784258), (5189, 4165596), (5532, 3907317), (8298, 2604878), (9036, 2392129), (10378, 2082798), (15567, 1388532), (16596, 1302439), (20756, 1041399), (31134, 694266), (46701, 462844), (62268, 347133), (93402, 231422), (115711, 186804)]