21013848

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15361}}^1$

素因数の和:15392

約数の個数: 48

約数和(自身を含む): 59911800

約数和(自身を除く): 38897952

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, 15361, 30722, 46083, 61444, 92166, 122888, 138249, 184332, 276498, 291859, 368664, 552996, 583718, 875577, 1105992, 1167436, 1751154, 2334872, 2626731, 3502308, 5253462, 7004616, 10506924, 21013848]

約数ペア:

[(1, 21013848), (2, 10506924), (3, 7004616), (4, 5253462), (6, 3502308), (8, 2626731), (9, 2334872), (12, 1751154), (18, 1167436), (19, 1105992), (24, 875577), (36, 583718), (38, 552996), (57, 368664), (72, 291859), (76, 276498), (114, 184332), (152, 138249), (171, 122888), (228, 92166), (342, 61444), (456, 46083), (684, 30722), (1368, 15361)]