21630100

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1327}}^1$

素因数の和:1504

約数の個数: 36

約数和(自身を含む): 47260864

約数和(自身を除く): 25630764

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 326, 652, 815, 1327, 1630, 2654, 3260, 4075, 5308, 6635, 8150, 13270, 16300, 26540, 33175, 66350, 132700, 216301, 432602, 865204, 1081505, 2163010, 4326020, 5407525, 10815050, 21630100]

約数ペア:

[(1, 21630100), (2, 10815050), (4, 5407525), (5, 4326020), (10, 2163010), (20, 1081505), (25, 865204), (50, 432602), (100, 216301), (163, 132700), (326, 66350), (652, 33175), (815, 26540), (1327, 16300), (1630, 13270), (2654, 8150), (3260, 6635), (4075, 5308)]