21820010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3469}}^1$

素因数の和:3530

約数の個数: 32

約数和(自身を含む): 42722640

約数和(自身を除く): 20902630

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 3469, 6290, 6938, 17345, 34690, 58973, 117946, 128353, 256706, 294865, 589730, 641765, 1283530, 2182001, 4364002, 10910005, 21820010]

約数ペア:

[(1, 21820010), (2, 10910005), (5, 4364002), (10, 2182001), (17, 1283530), (34, 641765), (37, 589730), (74, 294865), (85, 256706), (170, 128353), (185, 117946), (370, 58973), (629, 34690), (1258, 17345), (3145, 6938), (3469, 6290)]