21043219395

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{258691}}^1$

素因数の和:258756

約数の個数: 64

約数和(自身を含む): 40231779840

約数和(自身を除く): 19188560445

約数列:

[1, 3, 5, 11, 15, 17, 29, 33, 51, 55, 85, 87, 145, 165, 187, 255, 319, 435, 493, 561, 935, 957, 1479, 1595, 2465, 2805, 4785, 5423, 7395, 16269, 27115, 81345, 258691, 776073, 1293455, 2845601, 3880365, 4397747, 7502039, 8536803, 13193241, 14228005, 21988735, 22506117, 37510195, 42684015, 48375217, 65966205, 82522429, 112530585, 127534663, 145125651, 241876085, 247567287, 382603989, 412612145, 637673315, 725628255, 1237836435, 1402881293, 1913019945, 4208643879, 7014406465, 21043219395]

約数ペア:

[(1, 21043219395), (3, 7014406465), (5, 4208643879), (11, 1913019945), (15, 1402881293), (17, 1237836435), (29, 725628255), (33, 637673315), (51, 412612145), (55, 382603989), (85, 247567287), (87, 241876085), (145, 145125651), (165, 127534663), (187, 112530585), (255, 82522429), (319, 65966205), (435, 48375217), (493, 42684015), (561, 37510195), (935, 22506117), (957, 21988735), (1479, 14228005), (1595, 13193241), (2465, 8536803), (2805, 7502039), (4785, 4397747), (5423, 3880365), (7395, 2845601), (16269, 1293455), (27115, 776073), (81345, 258691)]