21023240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{75083}}^1$

素因数の和:75101

約数の個数: 32

約数和(自身を含む): 54060480

約数和(自身を除く): 33037240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 75083, 150166, 300332, 375415, 525581, 600664, 750830, 1051162, 1501660, 2102324, 2627905, 3003320, 4204648, 5255810, 10511620, 21023240]

約数ペア:

[(1, 21023240), (2, 10511620), (4, 5255810), (5, 4204648), (7, 3003320), (8, 2627905), (10, 2102324), (14, 1501660), (20, 1051162), (28, 750830), (35, 600664), (40, 525581), (56, 375415), (70, 300332), (140, 150166), (280, 75083)]