21965174

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 43794432

約数和(自身を除く): 21829258

約数列:

[1, 2, 7, 11, 14, 22, 31, 43, 62, 77, 86, 107, 154, 214, 217, 301, 341, 434, 473, 602, 682, 749, 946, 1177, 1333, 1498, 2354, 2387, 2666, 3311, 3317, 4601, 4774, 6622, 6634, 8239, 9202, 9331, 14663, 16478, 18662, 23219, 29326, 32207, 36487, 46438, 50611, 64414, 72974, 101222, 102641, 142631, 205282, 255409, 285262, 354277, 510818, 708554, 998417, 1568941, 1996834, 3137882, 10982587, 21965174]

約数ペア:

[(1, 21965174), (2, 10982587), (7, 3137882), (11, 1996834), (14, 1568941), (22, 998417), (31, 708554), (43, 510818), (62, 354277), (77, 285262), (86, 255409), (107, 205282), (154, 142631), (214, 102641), (217, 101222), (301, 72974), (341, 64414), (434, 50611), (473, 46438), (602, 36487), (682, 32207), (749, 29326), (946, 23219), (1177, 18662), (1333, 16478), (1498, 14663), (2354, 9331), (2387, 9202), (2666, 8239), (3311, 6634), (3317, 6622), (4601, 4774)]