21564348

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1009}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 54636960

約数和(自身を除く): 33072612

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 1009, 1644, 1781, 2018, 3027, 3562, 4036, 5343, 6054, 7124, 10686, 12108, 13117, 21372, 26234, 39351, 52468, 78702, 138233, 157404, 276466, 414699, 552932, 829398, 1658796, 1797029, 3594058, 5391087, 7188116, 10782174, 21564348]

約数ペア:

[(1, 21564348), (2, 10782174), (3, 7188116), (4, 5391087), (6, 3594058), (12, 1797029), (13, 1658796), (26, 829398), (39, 552932), (52, 414699), (78, 276466), (137, 157404), (156, 138233), (274, 78702), (411, 52468), (548, 39351), (822, 26234), (1009, 21372), (1644, 13117), (1781, 12108), (2018, 10686), (3027, 7124), (3562, 6054), (4036, 5343)]