21535458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17681}}^1$

素因数の和:17722

約数の個数: 32

約数和(自身を含む): 50924160

約数和(自身を除く): 29388702

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 17681, 35362, 53043, 106086, 123767, 247534, 371301, 512749, 742602, 1025498, 1538247, 3076494, 3589243, 7178486, 10767729, 21535458]

約数ペア:

[(1, 21535458), (2, 10767729), (3, 7178486), (6, 3589243), (7, 3076494), (14, 1538247), (21, 1025498), (29, 742602), (42, 512749), (58, 371301), (87, 247534), (174, 123767), (203, 106086), (406, 53043), (609, 35362), (1218, 17681)]