21721070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18253}}^1$

素因数の和:18284

約数の個数: 32

約数和(自身を含む): 47314368

約数和(自身を除く): 25593298

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 18253, 36506, 91265, 127771, 182530, 255542, 310301, 620602, 638855, 1277710, 1551505, 2172107, 3103010, 4344214, 10860535, 21721070]

約数ペア:

[(1, 21721070), (2, 10860535), (5, 4344214), (7, 3103010), (10, 2172107), (14, 1551505), (17, 1277710), (34, 638855), (35, 620602), (70, 310301), (85, 255542), (119, 182530), (170, 127771), (238, 91265), (595, 36506), (1190, 18253)]