21242784

素因数分解:

$2^5\times 3^1\times {\mathrm{79}}^1\times {\mathrm{2801}}^1$

素因数の和:2893

約数の個数: 48

約数和(自身を含む): 56488320

約数和(自身を除く): 35245536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 79, 96, 158, 237, 316, 474, 632, 948, 1264, 1896, 2528, 2801, 3792, 5602, 7584, 8403, 11204, 16806, 22408, 33612, 44816, 67224, 89632, 134448, 221279, 268896, 442558, 663837, 885116, 1327674, 1770232, 2655348, 3540464, 5310696, 7080928, 10621392, 21242784]

約数ペア:

[(1, 21242784), (2, 10621392), (3, 7080928), (4, 5310696), (6, 3540464), (8, 2655348), (12, 1770232), (16, 1327674), (24, 885116), (32, 663837), (48, 442558), (79, 268896), (96, 221279), (158, 134448), (237, 89632), (316, 67224), (474, 44816), (632, 33612), (948, 22408), (1264, 16806), (1896, 11204), (2528, 8403), (2801, 7584), (3792, 5602)]