21196920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176641}}^1$

素因数の和:176655

約数の個数: 32

約数和(自身を含む): 63591120

約数和(自身を除く): 42394200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176641, 353282, 529923, 706564, 883205, 1059846, 1413128, 1766410, 2119692, 2649615, 3532820, 4239384, 5299230, 7065640, 10598460, 21196920]

約数ペア:

[(1, 21196920), (2, 10598460), (3, 7065640), (4, 5299230), (5, 4239384), (6, 3532820), (8, 2649615), (10, 2119692), (12, 1766410), (15, 1413128), (20, 1059846), (24, 883205), (30, 706564), (40, 529923), (60, 353282), (120, 176641)]