21160674

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 47940984

約数和(自身を除く): 26780310

約数列:

[1, 2, 3, 6, 9, 18, 41, 53, 82, 106, 123, 159, 246, 318, 369, 477, 541, 738, 954, 1082, 1623, 2173, 3246, 4346, 4869, 6519, 9738, 13038, 19557, 22181, 28673, 39114, 44362, 57346, 66543, 86019, 133086, 172038, 199629, 258057, 399258, 516114, 1175593, 2351186, 3526779, 7053558, 10580337, 21160674]

約数ペア:

[(1, 21160674), (2, 10580337), (3, 7053558), (6, 3526779), (9, 2351186), (18, 1175593), (41, 516114), (53, 399258), (82, 258057), (106, 199629), (123, 172038), (159, 133086), (246, 86019), (318, 66543), (369, 57346), (477, 44362), (541, 39114), (738, 28673), (954, 22181), (1082, 19557), (1623, 13038), (2173, 9738), (3246, 6519), (4346, 4869)]