21903868

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{13259}}^1$

素因数の和:13329

約数の個数: 24

約数和(自身を含む): 44553600

約数和(自身を除く): 22649732

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 13259, 26518, 53036, 92813, 185626, 371252, 782281, 1564562, 3129124, 5475967, 10951934, 21903868]

約数ペア:

[(1, 21903868), (2, 10951934), (4, 5475967), (7, 3129124), (14, 1564562), (28, 782281), (59, 371252), (118, 185626), (236, 92813), (413, 53036), (826, 26518), (1652, 13259)]