21710402

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 16875838

約数列:

[1, 2, 7, 14, 41, 82, 109, 218, 287, 347, 574, 694, 763, 1526, 2429, 4469, 4858, 8938, 14227, 28454, 31283, 37823, 62566, 75646, 99589, 199178, 264761, 529522, 1550743, 3101486, 10855201, 21710402]

約数ペア:

[(1, 21710402), (2, 10855201), (7, 3101486), (14, 1550743), (41, 529522), (82, 264761), (109, 199178), (218, 99589), (287, 75646), (347, 62566), (574, 37823), (694, 31283), (763, 28454), (1526, 14227), (2429, 8938), (4469, 4858)]