21614120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49123}}^1$

素因数の和:49145

約数の個数: 32

約数和(自身を含む): 53053920

約数和(自身を除く): 31439800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49123, 98246, 196492, 245615, 392984, 491230, 540353, 982460, 1080706, 1964920, 2161412, 2701765, 4322824, 5403530, 10807060, 21614120]

約数ペア:

[(1, 21614120), (2, 10807060), (4, 5403530), (5, 4322824), (8, 2701765), (10, 2161412), (11, 1964920), (20, 1080706), (22, 982460), (40, 540353), (44, 491230), (55, 392984), (88, 245615), (110, 196492), (220, 98246), (440, 49123)]