21007029251

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{30071}}^1$

素因数の和:30239

約数の個数: 32

約数和(自身を含む): 25007875200

約数和(自身を除く): 4000845949

約数列:

[1, 13, 17, 29, 109, 221, 377, 493, 1417, 1853, 3161, 6409, 24089, 30071, 41093, 53737, 390923, 511207, 698581, 872059, 3277739, 6645691, 11336767, 14825003, 42610607, 55721563, 95054431, 192725039, 724380319, 1235707603, 1615925327, 21007029251]

約数ペア:

[(1, 21007029251), (13, 1615925327), (17, 1235707603), (29, 724380319), (109, 192725039), (221, 95054431), (377, 55721563), (493, 42610607), (1417, 14825003), (1853, 11336767), (3161, 6645691), (6409, 3277739), (24089, 872059), (30071, 698581), (41093, 511207), (53737, 390923)]