21298824

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17401}}^1$

素因数の和:17430

約数の個数: 48

約数和(自身を含む): 61081020

約数和(自身を除く): 39782196

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, 17401, 34802, 52203, 69604, 104406, 139208, 156609, 208812, 295817, 313218, 417624, 591634, 626436, 887451, 1183268, 1252872, 1774902, 2366536, 2662353, 3549804, 5324706, 7099608, 10649412, 21298824]

約数ペア:

[(1, 21298824), (2, 10649412), (3, 7099608), (4, 5324706), (6, 3549804), (8, 2662353), (9, 2366536), (12, 1774902), (17, 1252872), (18, 1183268), (24, 887451), (34, 626436), (36, 591634), (51, 417624), (68, 313218), (72, 295817), (102, 208812), (136, 156609), (153, 139208), (204, 104406), (306, 69604), (408, 52203), (612, 34802), (1224, 17401)]