21949160831

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1\times {\mathrm{1297}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 24560984448

約数和(自身を除く): 2611823617

約数列:

[1, 13, 37, 151, 233, 481, 1297, 1963, 3029, 5587, 8621, 16861, 35183, 47989, 72631, 112073, 195847, 302201, 457379, 623857, 1301771, 2546011, 3928613, 7246339, 11181437, 16923023, 45632351, 94202407, 145358681, 593220563, 1688396987, 21949160831]

約数ペア:

[(1, 21949160831), (13, 1688396987), (37, 593220563), (151, 145358681), (233, 94202407), (481, 45632351), (1297, 16923023), (1963, 11181437), (3029, 7246339), (5587, 3928613), (8621, 2546011), (16861, 1301771), (35183, 623857), (47989, 457379), (72631, 302201), (112073, 195847)]