21410994

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{809}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 46889280

約数和(自身を除く): 25478286

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 401, 802, 809, 1203, 1618, 2406, 2427, 4411, 4854, 8822, 8899, 13233, 17798, 26466, 26697, 53394, 324409, 648818, 973227, 1946454, 3568499, 7136998, 10705497, 21410994]

約数ペア:

[(1, 21410994), (2, 10705497), (3, 7136998), (6, 3568499), (11, 1946454), (22, 973227), (33, 648818), (66, 324409), (401, 53394), (802, 26697), (809, 26466), (1203, 17798), (1618, 13233), (2406, 8899), (2427, 8822), (4411, 4854)]