21470526

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2213}}^1$

素因数の和:2246

約数の個数: 72

約数和(自身を含む): 59060664

約数和(自身を除く): 37590138

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 441, 462, 539, 693, 882, 1078, 1386, 1617, 2213, 3234, 4426, 4851, 6639, 9702, 13278, 15491, 19917, 24343, 30982, 39834, 46473, 48686, 73029, 92946, 108437, 139419, 146058, 170401, 216874, 219087, 278838, 325311, 340802, 438174, 511203, 650622, 975933, 1022406, 1192807, 1533609, 1951866, 2385614, 3067218, 3578421, 7156842, 10735263, 21470526]

約数ペア:

[(1, 21470526), (2, 10735263), (3, 7156842), (6, 3578421), (7, 3067218), (9, 2385614), (11, 1951866), (14, 1533609), (18, 1192807), (21, 1022406), (22, 975933), (33, 650622), (42, 511203), (49, 438174), (63, 340802), (66, 325311), (77, 278838), (98, 219087), (99, 216874), (126, 170401), (147, 146058), (154, 139419), (198, 108437), (231, 92946), (294, 73029), (441, 48686), (462, 46473), (539, 39834), (693, 30982), (882, 24343), (1078, 19917), (1386, 15491), (1617, 13278), (2213, 9702), (3234, 6639), (4426, 4851)]