21152472

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4217}}^1$

素因数の和:4256

約数の個数: 64

約数和(自身を含む): 60739200

約数和(自身を除く): 39586728

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 66, 76, 88, 114, 132, 152, 209, 228, 264, 418, 456, 627, 836, 1254, 1672, 2508, 4217, 5016, 8434, 12651, 16868, 25302, 33736, 46387, 50604, 80123, 92774, 101208, 139161, 160246, 185548, 240369, 278322, 320492, 371096, 480738, 556644, 640984, 881353, 961476, 1113288, 1762706, 1922952, 2644059, 3525412, 5288118, 7050824, 10576236, 21152472]

約数ペア:

[(1, 21152472), (2, 10576236), (3, 7050824), (4, 5288118), (6, 3525412), (8, 2644059), (11, 1922952), (12, 1762706), (19, 1113288), (22, 961476), (24, 881353), (33, 640984), (38, 556644), (44, 480738), (57, 371096), (66, 320492), (76, 278322), (88, 240369), (114, 185548), (132, 160246), (152, 139161), (209, 101208), (228, 92774), (264, 80123), (418, 50604), (456, 46387), (627, 33736), (836, 25302), (1254, 16868), (1672, 12651), (2508, 8434), (4217, 5016)]