21640610

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{853}}^1$

素因数の和:962

約数の個数: 32

約数和(自身を含む): 40582080

約数和(自身を除く): 18941470

約数列:

[1, 2, 5, 10, 43, 59, 86, 118, 215, 295, 430, 590, 853, 1706, 2537, 4265, 5074, 8530, 12685, 25370, 36679, 50327, 73358, 100654, 183395, 251635, 366790, 503270, 2164061, 4328122, 10820305, 21640610]

約数ペア:

[(1, 21640610), (2, 10820305), (5, 4328122), (10, 2164061), (43, 503270), (59, 366790), (86, 251635), (118, 183395), (215, 100654), (295, 73358), (430, 50327), (590, 36679), (853, 25370), (1706, 12685), (2537, 8530), (4265, 5074)]