21667270

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 40914720

約数和(自身を除く): 19247450

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 1229, 1763, 2458, 3526, 6145, 8815, 12290, 17630, 50389, 52847, 100778, 105694, 251945, 264235, 503890, 528470, 2166727, 4333454, 10833635, 21667270]

約数ペア:

[(1, 21667270), (2, 10833635), (5, 4333454), (10, 2166727), (41, 528470), (43, 503890), (82, 264235), (86, 251945), (205, 105694), (215, 100778), (410, 52847), (430, 50389), (1229, 17630), (1763, 12290), (2458, 8815), (3526, 6145)]