21862476

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 59164560

約数和(自身を除く): 37302084

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 139, 153, 204, 257, 278, 306, 417, 514, 556, 612, 771, 834, 1028, 1251, 1542, 1668, 2313, 2363, 2502, 3084, 4369, 4626, 4726, 5004, 7089, 8738, 9252, 9452, 13107, 14178, 17476, 21267, 26214, 28356, 35723, 39321, 42534, 52428, 71446, 78642, 85068, 107169, 142892, 157284, 214338, 321507, 428676, 607291, 643014, 1214582, 1286028, 1821873, 2429164, 3643746, 5465619, 7287492, 10931238, 21862476]

約数ペア:

[(1, 21862476), (2, 10931238), (3, 7287492), (4, 5465619), (6, 3643746), (9, 2429164), (12, 1821873), (17, 1286028), (18, 1214582), (34, 643014), (36, 607291), (51, 428676), (68, 321507), (102, 214338), (139, 157284), (153, 142892), (204, 107169), (257, 85068), (278, 78642), (306, 71446), (417, 52428), (514, 42534), (556, 39321), (612, 35723), (771, 28356), (834, 26214), (1028, 21267), (1251, 17476), (1542, 14178), (1668, 13107), (2313, 9452), (2363, 9252), (2502, 8738), (3084, 7089), (4369, 5004), (4626, 4726)]