21292950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{2897}}^1$

素因数の和:2926

約数の個数: 72

約数和(自身を含む): 61449192

約数和(自身を除く): 40156242

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 350, 490, 525, 735, 1050, 1225, 1470, 2450, 2897, 3675, 5794, 7350, 8691, 14485, 17382, 20279, 28970, 40558, 43455, 60837, 72425, 86910, 101395, 121674, 141953, 144850, 202790, 217275, 283906, 304185, 425859, 434550, 506975, 608370, 709765, 851718, 1013950, 1419530, 1520925, 2129295, 3041850, 3548825, 4258590, 7097650, 10646475, 21292950]

約数ペア:

[(1, 21292950), (2, 10646475), (3, 7097650), (5, 4258590), (6, 3548825), (7, 3041850), (10, 2129295), (14, 1520925), (15, 1419530), (21, 1013950), (25, 851718), (30, 709765), (35, 608370), (42, 506975), (49, 434550), (50, 425859), (70, 304185), (75, 283906), (98, 217275), (105, 202790), (147, 144850), (150, 141953), (175, 121674), (210, 101395), (245, 86910), (294, 72425), (350, 60837), (490, 43455), (525, 40558), (735, 28970), (1050, 20279), (1225, 17382), (1470, 14485), (2450, 8691), (2897, 7350), (3675, 5794)]