21224770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9781}}^1$

素因数の和:9826

約数の個数: 32

約数和(自身を含む): 45075456

約数和(自身を除く): 23850686

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9781, 19562, 48905, 68467, 97810, 136934, 303211, 342335, 606422, 684670, 1516055, 2122477, 3032110, 4244954, 10612385, 21224770]

約数ペア:

[(1, 21224770), (2, 10612385), (5, 4244954), (7, 3032110), (10, 2122477), (14, 1516055), (31, 684670), (35, 606422), (62, 342335), (70, 303211), (155, 136934), (217, 97810), (310, 68467), (434, 48905), (1085, 19562), (2170, 9781)]