21219048

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15511}}^1$

素因数の和:15542

約数の個数: 48

約数和(自身を含む): 60496800

約数和(自身を除く): 39277752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15511, 31022, 46533, 62044, 93066, 124088, 139599, 186132, 279198, 294709, 372264, 558396, 589418, 884127, 1116792, 1178836, 1768254, 2357672, 2652381, 3536508, 5304762, 7073016, 10609524, 21219048]

約数ペア:

[(1, 21219048), (2, 10609524), (3, 7073016), (4, 5304762), (6, 3536508), (8, 2652381), (9, 2357672), (12, 1768254), (18, 1178836), (19, 1116792), (24, 884127), (36, 589418), (38, 558396), (57, 372264), (72, 294709), (76, 279198), (114, 186132), (152, 139599), (171, 124088), (228, 93066), (342, 62044), (456, 46533), (684, 31022), (1368, 15511)]