21106170

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:457

約数の個数: 80

約数和(自身を含む): 57708288

約数和(自身を除く): 36602118

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 81, 90, 135, 142, 162, 213, 270, 355, 367, 405, 426, 639, 710, 734, 810, 1065, 1101, 1278, 1835, 1917, 2130, 2202, 3195, 3303, 3670, 3834, 5505, 5751, 6390, 6606, 9585, 9909, 11010, 11502, 16515, 19170, 19818, 26057, 28755, 29727, 33030, 49545, 52114, 57510, 59454, 78171, 99090, 130285, 148635, 156342, 234513, 260570, 297270, 390855, 469026, 703539, 781710, 1172565, 1407078, 2110617, 2345130, 3517695, 4221234, 7035390, 10553085, 21106170]

約数ペア:

[(1, 21106170), (2, 10553085), (3, 7035390), (5, 4221234), (6, 3517695), (9, 2345130), (10, 2110617), (15, 1407078), (18, 1172565), (27, 781710), (30, 703539), (45, 469026), (54, 390855), (71, 297270), (81, 260570), (90, 234513), (135, 156342), (142, 148635), (162, 130285), (213, 99090), (270, 78171), (355, 59454), (367, 57510), (405, 52114), (426, 49545), (639, 33030), (710, 29727), (734, 28755), (810, 26057), (1065, 19818), (1101, 19170), (1278, 16515), (1835, 11502), (1917, 11010), (2130, 9909), (2202, 9585), (3195, 6606), (3303, 6390), (3670, 5751), (3834, 5505)]