21427146

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 51891840

約数和(自身を除く): 30464694

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 131, 233, 234, 262, 351, 393, 466, 699, 702, 786, 1179, 1398, 1703, 2097, 2358, 3029, 3406, 3537, 4194, 5109, 6058, 6291, 7074, 9087, 10218, 12582, 15327, 18174, 27261, 30523, 30654, 45981, 54522, 61046, 81783, 91569, 91962, 163566, 183138, 274707, 396799, 549414, 793598, 824121, 1190397, 1648242, 2380794, 3571191, 7142382, 10713573, 21427146]

約数ペア:

[(1, 21427146), (2, 10713573), (3, 7142382), (6, 3571191), (9, 2380794), (13, 1648242), (18, 1190397), (26, 824121), (27, 793598), (39, 549414), (54, 396799), (78, 274707), (117, 183138), (131, 163566), (233, 91962), (234, 91569), (262, 81783), (351, 61046), (393, 54522), (466, 45981), (699, 30654), (702, 30523), (786, 27261), (1179, 18174), (1398, 15327), (1703, 12582), (2097, 10218), (2358, 9087), (3029, 7074), (3406, 6291), (3537, 6058), (4194, 5109)]