21077154

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1039}}^1$

素因数の和:1084

約数の個数: 72

約数和(自身を含む): 55486080

約数和(自身を除く): 34408926

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 98, 126, 138, 147, 161, 207, 294, 322, 414, 441, 483, 882, 966, 1039, 1127, 1449, 2078, 2254, 2898, 3117, 3381, 6234, 6762, 7273, 9351, 10143, 14546, 18702, 20286, 21819, 23897, 43638, 47794, 50911, 65457, 71691, 101822, 130914, 143382, 152733, 167279, 215073, 305466, 334558, 430146, 458199, 501837, 916398, 1003674, 1170953, 1505511, 2341906, 3011022, 3512859, 7025718, 10538577, 21077154]

約数ペア:

[(1, 21077154), (2, 10538577), (3, 7025718), (6, 3512859), (7, 3011022), (9, 2341906), (14, 1505511), (18, 1170953), (21, 1003674), (23, 916398), (42, 501837), (46, 458199), (49, 430146), (63, 334558), (69, 305466), (98, 215073), (126, 167279), (138, 152733), (147, 143382), (161, 130914), (207, 101822), (294, 71691), (322, 65457), (414, 50911), (441, 47794), (483, 43638), (882, 23897), (966, 21819), (1039, 20286), (1127, 18702), (1449, 14546), (2078, 10143), (2254, 9351), (2898, 7273), (3117, 6762), (3381, 6234)]