21002450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2609}}^1$

素因数の和:2651

約数の個数: 48

約数和(自身を含む): 46604160

約数和(自身を除く): 25601710

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 575, 805, 1150, 1610, 2609, 4025, 5218, 8050, 13045, 18263, 26090, 36526, 60007, 65225, 91315, 120014, 130450, 182630, 300035, 420049, 456575, 600070, 840098, 913150, 1500175, 2100245, 3000350, 4200490, 10501225, 21002450]

約数ペア:

[(1, 21002450), (2, 10501225), (5, 4200490), (7, 3000350), (10, 2100245), (14, 1500175), (23, 913150), (25, 840098), (35, 600070), (46, 456575), (50, 420049), (70, 300035), (115, 182630), (161, 130450), (175, 120014), (230, 91315), (322, 65225), (350, 60007), (575, 36526), (805, 26090), (1150, 18263), (1610, 13045), (2609, 8050), (4025, 5218)]