21749052

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 37521348

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 59, 68, 78, 102, 118, 139, 156, 177, 204, 221, 236, 278, 354, 417, 442, 556, 663, 708, 767, 834, 884, 1003, 1326, 1534, 1668, 1807, 2006, 2301, 2363, 2652, 3009, 3068, 3614, 4012, 4602, 4726, 5421, 6018, 7089, 7228, 8201, 9204, 9452, 10842, 12036, 13039, 14178, 16402, 21684, 24603, 26078, 28356, 30719, 32804, 39117, 49206, 52156, 61438, 78234, 92157, 98412, 106613, 122876, 139417, 156468, 184314, 213226, 278834, 319839, 368628, 418251, 426452, 557668, 639678, 836502, 1279356, 1673004, 1812421, 3624842, 5437263, 7249684, 10874526, 21749052]

約数ペア:

[(1, 21749052), (2, 10874526), (3, 7249684), (4, 5437263), (6, 3624842), (12, 1812421), (13, 1673004), (17, 1279356), (26, 836502), (34, 639678), (39, 557668), (51, 426452), (52, 418251), (59, 368628), (68, 319839), (78, 278834), (102, 213226), (118, 184314), (139, 156468), (156, 139417), (177, 122876), (204, 106613), (221, 98412), (236, 92157), (278, 78234), (354, 61438), (417, 52156), (442, 49206), (556, 39117), (663, 32804), (708, 30719), (767, 28356), (834, 26078), (884, 24603), (1003, 21684), (1326, 16402), (1534, 14178), (1668, 13039), (1807, 12036), (2006, 10842), (2301, 9452), (2363, 9204), (2652, 8201), (3009, 7228), (3068, 7089), (3614, 6018), (4012, 5421), (4602, 4726)]