21031992

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17183}}^1$

素因数の和:17212

約数の個数: 48

約数和(自身を含む): 60315840

約数和(自身を除く): 39283848

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, 17183, 34366, 51549, 68732, 103098, 137464, 154647, 206196, 292111, 309294, 412392, 584222, 618588, 876333, 1168444, 1237176, 1752666, 2336888, 2628999, 3505332, 5257998, 7010664, 10515996, 21031992]

約数ペア:

[(1, 21031992), (2, 10515996), (3, 7010664), (4, 5257998), (6, 3505332), (8, 2628999), (9, 2336888), (12, 1752666), (17, 1237176), (18, 1168444), (24, 876333), (34, 618588), (36, 584222), (51, 412392), (68, 309294), (72, 292111), (102, 206196), (136, 154647), (153, 137464), (204, 103098), (306, 68732), (408, 51549), (612, 34366), (1224, 17183)]