21710008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{613}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 43102800

約数和(自身を除く): 21392792

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 233, 466, 613, 932, 1226, 1864, 2452, 4427, 4904, 8854, 11647, 17708, 23294, 35416, 46588, 93176, 142829, 285658, 571316, 1142632, 2713751, 5427502, 10855004, 21710008]

約数ペア:

[(1, 21710008), (2, 10855004), (4, 5427502), (8, 2713751), (19, 1142632), (38, 571316), (76, 285658), (152, 142829), (233, 93176), (466, 46588), (613, 35416), (932, 23294), (1226, 17708), (1864, 11647), (2452, 8854), (4427, 4904)]