21479172

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12517}}^1$

素因数の和:12548

約数の個数: 48

約数和(自身を含む): 58884672

約数和(自身を除く): 37405500

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12517, 25034, 37551, 50068, 75102, 137687, 150204, 162721, 275374, 325442, 413061, 488163, 550748, 650884, 826122, 976326, 1652244, 1789931, 1952652, 3579862, 5369793, 7159724, 10739586, 21479172]

約数ペア:

[(1, 21479172), (2, 10739586), (3, 7159724), (4, 5369793), (6, 3579862), (11, 1952652), (12, 1789931), (13, 1652244), (22, 976326), (26, 826122), (33, 650884), (39, 550748), (44, 488163), (52, 413061), (66, 325442), (78, 275374), (132, 162721), (143, 150204), (156, 137687), (286, 75102), (429, 50068), (572, 37551), (858, 25034), (1716, 12517)]