21555144

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23029}}^1$

素因数の和:23054

約数の個数: 48

約数和(自身を含む): 62871900

約数和(自身を除く): 41316756

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 23029, 46058, 69087, 92116, 138174, 184232, 207261, 276348, 299377, 414522, 552696, 598754, 829044, 898131, 1197508, 1658088, 1796262, 2395016, 2694393, 3592524, 5388786, 7185048, 10777572, 21555144]

約数ペア:

[(1, 21555144), (2, 10777572), (3, 7185048), (4, 5388786), (6, 3592524), (8, 2694393), (9, 2395016), (12, 1796262), (13, 1658088), (18, 1197508), (24, 898131), (26, 829044), (36, 598754), (39, 552696), (52, 414522), (72, 299377), (78, 276348), (104, 207261), (117, 184232), (156, 138174), (234, 92116), (312, 69087), (468, 46058), (936, 23029)]