21226348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 23480468

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 863, 946, 1118, 1726, 1892, 2236, 3452, 6149, 9493, 11219, 12298, 18986, 22438, 24596, 37109, 37972, 44876, 74218, 123409, 148436, 246818, 408199, 482417, 493636, 816398, 964834, 1632796, 1929668, 5306587, 10613174, 21226348]

約数ペア:

[(1, 21226348), (2, 10613174), (4, 5306587), (11, 1929668), (13, 1632796), (22, 964834), (26, 816398), (43, 493636), (44, 482417), (52, 408199), (86, 246818), (143, 148436), (172, 123409), (286, 74218), (473, 44876), (559, 37972), (572, 37109), (863, 24596), (946, 22438), (1118, 18986), (1726, 12298), (1892, 11219), (2236, 9493), (3452, 6149)]