21076425

素因数分解:

$3^2\times 5^2\times {\mathrm{283}}^1\times {\mathrm{331}}^1$

素因数の和:630

約数の個数: 36

約数和(自身を含む): 37998064

約数和(自身を除く): 16921639

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 283, 331, 849, 993, 1415, 1655, 2547, 2979, 4245, 4965, 7075, 8275, 12735, 14895, 21225, 24825, 63675, 74475, 93673, 281019, 468365, 843057, 1405095, 2341825, 4215285, 7025475, 21076425]

約数ペア:

[(1, 21076425), (3, 7025475), (5, 4215285), (9, 2341825), (15, 1405095), (25, 843057), (45, 468365), (75, 281019), (225, 93673), (283, 74475), (331, 63675), (849, 24825), (993, 21225), (1415, 14895), (1655, 12735), (2547, 8275), (2979, 7075), (4245, 4965)]