21668010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7937}}^1$

素因数の和:7967

約数の個数: 64

約数和(自身を含む): 64012032

約数和(自身を除く): 42344022

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7937, 15874, 23811, 39685, 47622, 55559, 79370, 103181, 111118, 119055, 166677, 206362, 238110, 277795, 309543, 333354, 515905, 555590, 619086, 722267, 833385, 1031810, 1444534, 1547715, 1666770, 2166801, 3095430, 3611335, 4333602, 7222670, 10834005, 21668010]

約数ペア:

[(1, 21668010), (2, 10834005), (3, 7222670), (5, 4333602), (6, 3611335), (7, 3095430), (10, 2166801), (13, 1666770), (14, 1547715), (15, 1444534), (21, 1031810), (26, 833385), (30, 722267), (35, 619086), (39, 555590), (42, 515905), (65, 333354), (70, 309543), (78, 277795), (91, 238110), (105, 206362), (130, 166677), (182, 119055), (195, 111118), (210, 103181), (273, 79370), (390, 55559), (455, 47622), (546, 39685), (910, 23811), (1365, 15874), (2730, 7937)]