21494520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59707}}^1$

素因数の和:59724

約数の個数: 48

約数和(自身を含む): 69858360

約数和(自身を除く): 48363840

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, 59707, 119414, 179121, 238828, 298535, 358242, 477656, 537363, 597070, 716484, 895605, 1074726, 1194140, 1432968, 1791210, 2149452, 2388280, 2686815, 3582420, 4298904, 5373630, 7164840, 10747260, 21494520]

約数ペア:

[(1, 21494520), (2, 10747260), (3, 7164840), (4, 5373630), (5, 4298904), (6, 3582420), (8, 2686815), (9, 2388280), (10, 2149452), (12, 1791210), (15, 1432968), (18, 1194140), (20, 1074726), (24, 895605), (30, 716484), (36, 597070), (40, 537363), (45, 477656), (60, 358242), (72, 298535), (90, 238828), (120, 179121), (180, 119414), (360, 59707)]