21208338

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^2\times {\mathrm{467}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 48915360

約数和(自身を除く): 27707022

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 467, 522, 783, 841, 934, 1401, 1566, 1682, 2523, 2802, 4203, 5046, 7569, 8406, 12609, 13543, 15138, 22707, 25218, 27086, 40629, 45414, 81258, 121887, 243774, 365661, 392747, 731322, 785494, 1178241, 2356482, 3534723, 7069446, 10604169, 21208338]

約数ペア:

[(1, 21208338), (2, 10604169), (3, 7069446), (6, 3534723), (9, 2356482), (18, 1178241), (27, 785494), (29, 731322), (54, 392747), (58, 365661), (87, 243774), (174, 121887), (261, 81258), (467, 45414), (522, 40629), (783, 27086), (841, 25218), (934, 22707), (1401, 15138), (1566, 13543), (1682, 12609), (2523, 8406), (2802, 7569), (4203, 5046)]