21472680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178939}}^1$

素因数の和:178953

約数の個数: 32

約数和(自身を含む): 64418400

約数和(自身を除く): 42945720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178939, 357878, 536817, 715756, 894695, 1073634, 1431512, 1789390, 2147268, 2684085, 3578780, 4294536, 5368170, 7157560, 10736340, 21472680]

約数ペア:

[(1, 21472680), (2, 10736340), (3, 7157560), (4, 5368170), (5, 4294536), (6, 3578780), (8, 2684085), (10, 2147268), (12, 1789390), (15, 1431512), (20, 1073634), (24, 894695), (30, 715756), (40, 536817), (60, 357878), (120, 178939)]