21837612

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{71}}^2$

素因数の和:187

約数の個数: 54

約数和(自身を含む): 54545484

約数和(自身を除く): 32707872

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 361, 426, 722, 852, 1083, 1349, 1444, 2166, 2698, 4047, 4332, 5041, 5396, 8094, 10082, 15123, 16188, 20164, 25631, 30246, 51262, 60492, 76893, 95779, 102524, 153786, 191558, 287337, 307572, 383116, 574674, 1149348, 1819801, 3639602, 5459403, 7279204, 10918806, 21837612]

約数ペア:

[(1, 21837612), (2, 10918806), (3, 7279204), (4, 5459403), (6, 3639602), (12, 1819801), (19, 1149348), (38, 574674), (57, 383116), (71, 307572), (76, 287337), (114, 191558), (142, 153786), (213, 102524), (228, 95779), (284, 76893), (361, 60492), (426, 51262), (722, 30246), (852, 25631), (1083, 20164), (1349, 16188), (1444, 15123), (2166, 10082), (2698, 8094), (4047, 5396), (4332, 5041)]