21326480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38083}}^1$

素因数の和:38103

約数の個数: 40

約数和(自身を含む): 56668992

約数和(自身を除く): 35342512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38083, 76166, 152332, 190415, 266581, 304664, 380830, 533162, 609328, 761660, 1066324, 1332905, 1523320, 2132648, 2665810, 3046640, 4265296, 5331620, 10663240, 21326480]

約数ペア:

[(1, 21326480), (2, 10663240), (4, 5331620), (5, 4265296), (7, 3046640), (8, 2665810), (10, 2132648), (14, 1523320), (16, 1332905), (20, 1066324), (28, 761660), (35, 609328), (40, 533162), (56, 380830), (70, 304664), (80, 266581), (112, 190415), (140, 152332), (280, 76166), (560, 38083)]