21597009416

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{1493}}^1\times {\mathrm{4421}}^1$

素因数の和:6329

約数の個数: 32

約数和(自身を含む): 40629778200

約数和(自身を除く): 19032768784

約数列:

[1, 2, 4, 8, 409, 818, 1493, 1636, 2986, 3272, 4421, 5972, 8842, 11944, 17684, 35368, 610637, 1221274, 1808189, 2442548, 3616378, 4885096, 6600553, 7232756, 13201106, 14465512, 26402212, 52804424, 2699626177, 5399252354, 10798504708, 21597009416]

約数ペア:

[(1, 21597009416), (2, 10798504708), (4, 5399252354), (8, 2699626177), (409, 52804424), (818, 26402212), (1493, 14465512), (1636, 13201106), (2986, 7232756), (3272, 6600553), (4421, 4885096), (5972, 3616378), (8842, 2442548), (11944, 1808189), (17684, 1221274), (35368, 610637)]