21551149060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2108723}}^1$

素因数の和:2108812

約数の個数: 48

約数和(自身を含む): 52431313536

約数和(自身を除く): 30880164476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 2108723, 4217446, 8434892, 10543615, 14761061, 21087230, 29522122, 42174460, 59044244, 73805305, 147610610, 153936779, 295221220, 307873558, 615747116, 769683895, 1077557453, 1539367790, 2155114906, 3078735580, 4310229812, 5387787265, 10775574530, 21551149060]

約数ペア:

[(1, 21551149060), (2, 10775574530), (4, 5387787265), (5, 4310229812), (7, 3078735580), (10, 2155114906), (14, 1539367790), (20, 1077557453), (28, 769683895), (35, 615747116), (70, 307873558), (73, 295221220), (140, 153936779), (146, 147610610), (292, 73805305), (365, 59044244), (511, 42174460), (730, 29522122), (1022, 21087230), (1460, 14761061), (2044, 10543615), (2555, 8434892), (5110, 4217446), (10220, 2108723)]