21362705

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1619}}^1$

素因数の和:1673

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 11296495

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 377, 455, 1015, 1619, 1885, 2639, 8095, 11333, 13195, 21047, 46951, 56665, 105235, 147329, 234755, 328657, 610363, 736645, 1643285, 3051815, 4272541, 21362705]

約数ペア:

[(1, 21362705), (5, 4272541), (7, 3051815), (13, 1643285), (29, 736645), (35, 610363), (65, 328657), (91, 234755), (145, 147329), (203, 105235), (377, 56665), (455, 46951), (1015, 21047), (1619, 13195), (1885, 11333), (2639, 8095)]