21703140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13397}}^1$

素因数の和:13418

約数の個数: 60

約数和(自身を含む): 68088636

約数和(自身を除く): 46385496

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13397, 26794, 40191, 53588, 66985, 80382, 120573, 133970, 160764, 200955, 241146, 267940, 361719, 401910, 482292, 602865, 723438, 803820, 1085157, 1205730, 1446876, 1808595, 2170314, 2411460, 3617190, 4340628, 5425785, 7234380, 10851570, 21703140]

約数ペア:

[(1, 21703140), (2, 10851570), (3, 7234380), (4, 5425785), (5, 4340628), (6, 3617190), (9, 2411460), (10, 2170314), (12, 1808595), (15, 1446876), (18, 1205730), (20, 1085157), (27, 803820), (30, 723438), (36, 602865), (45, 482292), (54, 401910), (60, 361719), (81, 267940), (90, 241146), (108, 200955), (135, 160764), (162, 133970), (180, 120573), (270, 80382), (324, 66985), (405, 53588), (540, 40191), (810, 26794), (1620, 13397)]