21146090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1123}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 43701120

約数和(自身を除く): 22555030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 269, 538, 1123, 1345, 1883, 2246, 2690, 3766, 5615, 7861, 9415, 11230, 15722, 18830, 39305, 78610, 302087, 604174, 1510435, 2114609, 3020870, 4229218, 10573045, 21146090]

約数ペア:

[(1, 21146090), (2, 10573045), (5, 4229218), (7, 3020870), (10, 2114609), (14, 1510435), (35, 604174), (70, 302087), (269, 78610), (538, 39305), (1123, 18830), (1345, 15722), (1883, 11230), (2246, 9415), (2690, 7861), (3766, 5615)]