21986636

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6949}}^1$

素因数の和:7073

約数の個数: 24

約数和(自身を含む): 44368800

約数和(自身を除く): 22382164

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6949, 13898, 27796, 48643, 97286, 194572, 785237, 1570474, 3140948, 5496659, 10993318, 21986636]

約数ペア:

[(1, 21986636), (2, 10993318), (4, 5496659), (7, 3140948), (14, 1570474), (28, 785237), (113, 194572), (226, 97286), (452, 48643), (791, 27796), (1582, 13898), (3164, 6949)]