21000340778

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{1583}}^1\times {\mathrm{1801}}^1$

素因数の和:3542

約数の個数: 32

約数和(自身を含む): 32882319360

約数和(自身を除く): 11881978582

約数列:

[1, 2, 29, 58, 127, 254, 1583, 1801, 3166, 3602, 3683, 7366, 45907, 52229, 91814, 104458, 201041, 228727, 402082, 457454, 2850983, 5701966, 5830189, 6633083, 11660378, 13266166, 82678507, 165357014, 362074841, 724149682, 10500170389, 21000340778]

約数ペア:

[(1, 21000340778), (2, 10500170389), (29, 724149682), (58, 362074841), (127, 165357014), (254, 82678507), (1583, 13266166), (1801, 11660378), (3166, 6633083), (3602, 5830189), (3683, 5701966), (7366, 2850983), (45907, 457454), (52229, 402082), (91814, 228727), (104458, 201041)]