21808072

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1733}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 48430620

約数和(自身を除く): 26622548

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1573, 1733, 3146, 3466, 6292, 6932, 12584, 13864, 19063, 22529, 38126, 45058, 76252, 90116, 152504, 180232, 209693, 247819, 419386, 495638, 838772, 991276, 1677544, 1982552, 2726009, 5452018, 10904036, 21808072]

約数ペア:

[(1, 21808072), (2, 10904036), (4, 5452018), (8, 2726009), (11, 1982552), (13, 1677544), (22, 991276), (26, 838772), (44, 495638), (52, 419386), (88, 247819), (104, 209693), (121, 180232), (143, 152504), (242, 90116), (286, 76252), (484, 45058), (572, 38126), (968, 22529), (1144, 19063), (1573, 13864), (1733, 12584), (3146, 6932), (3466, 6292)]