21228120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58967}}^1$

素因数の和:58984

約数の個数: 48

約数和(自身を含む): 68992560

約数和(自身を除く): 47764440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58967, 117934, 176901, 235868, 294835, 353802, 471736, 530703, 589670, 707604, 884505, 1061406, 1179340, 1415208, 1769010, 2122812, 2358680, 2653515, 3538020, 4245624, 5307030, 7076040, 10614060, 21228120]

約数ペア:

[(1, 21228120), (2, 10614060), (3, 7076040), (4, 5307030), (5, 4245624), (6, 3538020), (8, 2653515), (9, 2358680), (10, 2122812), (12, 1769010), (15, 1415208), (18, 1179340), (20, 1061406), (24, 884505), (30, 707604), (36, 589670), (40, 530703), (45, 471736), (60, 353802), (72, 294835), (90, 235868), (120, 176901), (180, 117934), (360, 58967)]