213086580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{507349}}^1$

素因数の和:507368

約数の個数: 48

約数和(自身を含む): 681878400

約数和(自身を除く): 468791820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 507349, 1014698, 1522047, 2029396, 2536745, 3044094, 3551443, 5073490, 6088188, 7102886, 7610235, 10146980, 10654329, 14205772, 15220470, 17757215, 21308658, 30440940, 35514430, 42617316, 53271645, 71028860, 106543290, 213086580]

約数ペア:

[(1, 213086580), (2, 106543290), (3, 71028860), (4, 53271645), (5, 42617316), (6, 35514430), (7, 30440940), (10, 21308658), (12, 17757215), (14, 15220470), (15, 14205772), (20, 10654329), (21, 10146980), (28, 7610235), (30, 7102886), (35, 6088188), (42, 5073490), (60, 3551443), (70, 3044094), (84, 2536745), (105, 2029396), (140, 1522047), (210, 1014698), (420, 507349)]