21000270590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1\times {\mathrm{2917}}^1$

素因数の和:3717

約数の個数: 64

約数和(自身を含む): 41296469760

約数和(自身を除く): 20296199170

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 701, 790, 1027, 1402, 2054, 2917, 3505, 5135, 5834, 7010, 9113, 10270, 14585, 18226, 29170, 37921, 45565, 55379, 75842, 91130, 110758, 189605, 230443, 276895, 379210, 460886, 553790, 719927, 1152215, 1439854, 2044817, 2304430, 2995759, 3599635, 4089634, 5991518, 7199270, 10224085, 14978795, 20448170, 26582621, 29957590, 53165242, 132913105, 161540543, 265826210, 323081086, 807702715, 1615405430, 2100027059, 4200054118, 10500135295, 21000270590]

約数ペア:

[(1, 21000270590), (2, 10500135295), (5, 4200054118), (10, 2100027059), (13, 1615405430), (26, 807702715), (65, 323081086), (79, 265826210), (130, 161540543), (158, 132913105), (395, 53165242), (701, 29957590), (790, 26582621), (1027, 20448170), (1402, 14978795), (2054, 10224085), (2917, 7199270), (3505, 5991518), (5135, 4089634), (5834, 3599635), (7010, 2995759), (9113, 2304430), (10270, 2044817), (14585, 1439854), (18226, 1152215), (29170, 719927), (37921, 553790), (45565, 460886), (55379, 379210), (75842, 276895), (91130, 230443), (110758, 189605)]