21756690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2347}}^1$

素因数の和:2463

約数の個数: 48

約数和(自身を含む): 57140928

約数和(自身を除く): 35384238

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 206, 309, 515, 618, 927, 1030, 1545, 1854, 2347, 3090, 4635, 4694, 7041, 9270, 11735, 14082, 21123, 23470, 35205, 42246, 70410, 105615, 211230, 241741, 483482, 725223, 1208705, 1450446, 2175669, 2417410, 3626115, 4351338, 7252230, 10878345, 21756690]

約数ペア:

[(1, 21756690), (2, 10878345), (3, 7252230), (5, 4351338), (6, 3626115), (9, 2417410), (10, 2175669), (15, 1450446), (18, 1208705), (30, 725223), (45, 483482), (90, 241741), (103, 211230), (206, 105615), (309, 70410), (515, 42246), (618, 35205), (927, 23470), (1030, 21123), (1545, 14082), (1854, 11735), (2347, 9270), (3090, 7041), (4635, 4694)]