21219696

素因数分解:

$2^4\times 3^2\times {\mathrm{101}}^1\times {\mathrm{1459}}^1$

素因数の和:1574

約数の個数: 60

約数和(自身を含む): 60014760

約数和(自身を除く): 38795064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 101, 144, 202, 303, 404, 606, 808, 909, 1212, 1459, 1616, 1818, 2424, 2918, 3636, 4377, 4848, 5836, 7272, 8754, 11672, 13131, 14544, 17508, 23344, 26262, 35016, 52524, 70032, 105048, 147359, 210096, 294718, 442077, 589436, 884154, 1178872, 1326231, 1768308, 2357744, 2652462, 3536616, 5304924, 7073232, 10609848, 21219696]

約数ペア:

[(1, 21219696), (2, 10609848), (3, 7073232), (4, 5304924), (6, 3536616), (8, 2652462), (9, 2357744), (12, 1768308), (16, 1326231), (18, 1178872), (24, 884154), (36, 589436), (48, 442077), (72, 294718), (101, 210096), (144, 147359), (202, 105048), (303, 70032), (404, 52524), (606, 35016), (808, 26262), (909, 23344), (1212, 17508), (1459, 14544), (1616, 13131), (1818, 11672), (2424, 8754), (2918, 7272), (3636, 5836), (4377, 4848)]