21013380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116741}}^1$

素因数の和:116756

約数の個数: 36

約数和(自身を含む): 63741132

約数和(自身を除く): 42727752

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116741, 233482, 350223, 466964, 583705, 700446, 1050669, 1167410, 1400892, 1751115, 2101338, 2334820, 3502230, 4202676, 5253345, 7004460, 10506690, 21013380]

約数ペア:

[(1, 21013380), (2, 10506690), (3, 7004460), (4, 5253345), (5, 4202676), (6, 3502230), (9, 2334820), (10, 2101338), (12, 1751115), (15, 1400892), (18, 1167410), (20, 1050669), (30, 700446), (36, 583705), (45, 466964), (60, 350223), (90, 233482), (180, 116741)]