21192050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 43872192

約数和(自身を除く): 22680142

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 53, 55, 106, 110, 265, 275, 530, 550, 583, 727, 1166, 1325, 1454, 2650, 2915, 3635, 5830, 7270, 7997, 14575, 15994, 18175, 29150, 36350, 38531, 39985, 77062, 79970, 192655, 199925, 385310, 399850, 423841, 847682, 963275, 1926550, 2119205, 4238410, 10596025, 21192050]

約数ペア:

[(1, 21192050), (2, 10596025), (5, 4238410), (10, 2119205), (11, 1926550), (22, 963275), (25, 847682), (50, 423841), (53, 399850), (55, 385310), (106, 199925), (110, 192655), (265, 79970), (275, 77062), (530, 39985), (550, 38531), (583, 36350), (727, 29150), (1166, 18175), (1325, 15994), (1454, 14575), (2650, 7997), (2915, 7270), (3635, 5830)]