21016098

素因数分解:

$2^1\times 3^5\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 47882016

約数和(自身を除く): 26865918

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 83, 162, 166, 243, 249, 486, 498, 521, 747, 1042, 1494, 1563, 2241, 3126, 4482, 4689, 6723, 9378, 13446, 14067, 20169, 28134, 40338, 42201, 43243, 84402, 86486, 126603, 129729, 253206, 259458, 389187, 778374, 1167561, 2335122, 3502683, 7005366, 10508049, 21016098]

約数ペア:

[(1, 21016098), (2, 10508049), (3, 7005366), (6, 3502683), (9, 2335122), (18, 1167561), (27, 778374), (54, 389187), (81, 259458), (83, 253206), (162, 129729), (166, 126603), (243, 86486), (249, 84402), (486, 43243), (498, 42201), (521, 40338), (747, 28134), (1042, 20169), (1494, 14067), (1563, 13446), (2241, 9378), (3126, 6723), (4482, 4689)]