21746235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2917}}^1$

素因数の和:3003

約数の個数: 32

約数和(自身を含む): 40338432

約数和(自身を除く): 18592197

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 2917, 7455, 8751, 14585, 20419, 43755, 61257, 102095, 207107, 306285, 621321, 1035535, 1449749, 3106605, 4349247, 7248745, 21746235]

約数ペア:

[(1, 21746235), (3, 7248745), (5, 4349247), (7, 3106605), (15, 1449749), (21, 1035535), (35, 621321), (71, 306285), (105, 207107), (213, 102095), (355, 61257), (497, 43755), (1065, 20419), (1491, 14585), (2485, 8751), (2917, 7455)]