21318408

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17417}}^1$

素因数の和:17446

約数の個数: 48

約数和(自身を含む): 61137180

約数和(自身を除く): 39818772

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17417, 34834, 52251, 69668, 104502, 139336, 156753, 209004, 296089, 313506, 418008, 592178, 627012, 888267, 1184356, 1254024, 1776534, 2368712, 2664801, 3553068, 5329602, 7106136, 10659204, 21318408]

約数ペア:

[(1, 21318408), (2, 10659204), (3, 7106136), (4, 5329602), (6, 3553068), (8, 2664801), (9, 2368712), (12, 1776534), (17, 1254024), (18, 1184356), (24, 888267), (34, 627012), (36, 592178), (51, 418008), (68, 313506), (72, 296089), (102, 209004), (136, 156753), (153, 139336), (204, 104502), (306, 69668), (408, 52251), (612, 34834), (1224, 17417)]