21994152120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61094867}}^1$

素因数の和:61094884

約数の個数: 48

約数和(自身を含む): 71480995560

約数和(自身を除く): 49486843440

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, 61094867, 122189734, 183284601, 244379468, 305474335, 366569202, 488758936, 549853803, 610948670, 733138404, 916423005, 1099707606, 1221897340, 1466276808, 1832846010, 2199415212, 2443794680, 2749269015, 3665692020, 4398830424, 5498538030, 7331384040, 10997076060, 21994152120]

約数ペア:

[(1, 21994152120), (2, 10997076060), (3, 7331384040), (4, 5498538030), (5, 4398830424), (6, 3665692020), (8, 2749269015), (9, 2443794680), (10, 2199415212), (12, 1832846010), (15, 1466276808), (18, 1221897340), (20, 1099707606), (24, 916423005), (30, 733138404), (36, 610948670), (40, 549853803), (45, 488758936), (60, 366569202), (72, 305474335), (90, 244379468), (120, 183284601), (180, 122189734), (360, 61094867)]