21226950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1097}}^1$

素因数の和:1158

約数の個数: 72

約数和(自身を含む): 58409208

約数和(自身を除く): 37182258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 1075, 1097, 1290, 1935, 2150, 2194, 3225, 3291, 3870, 5485, 6450, 6582, 9675, 9873, 10970, 16455, 19350, 19746, 27425, 32910, 47171, 49365, 54850, 82275, 94342, 98730, 141513, 164550, 235855, 246825, 283026, 424539, 471710, 493650, 707565, 849078, 1179275, 1415130, 2122695, 2358550, 3537825, 4245390, 7075650, 10613475, 21226950]

約数ペア:

[(1, 21226950), (2, 10613475), (3, 7075650), (5, 4245390), (6, 3537825), (9, 2358550), (10, 2122695), (15, 1415130), (18, 1179275), (25, 849078), (30, 707565), (43, 493650), (45, 471710), (50, 424539), (75, 283026), (86, 246825), (90, 235855), (129, 164550), (150, 141513), (215, 98730), (225, 94342), (258, 82275), (387, 54850), (430, 49365), (450, 47171), (645, 32910), (774, 27425), (1075, 19746), (1097, 19350), (1290, 16455), (1935, 10970), (2150, 9873), (2194, 9675), (3225, 6582), (3291, 6450), (3870, 5485)]