21839076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1097}}^1$

素因数の和:1193

約数の個数: 72

約数和(自身を含む): 63947520

約数和(自身を除く): 42108444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1097, 1106, 1422, 1659, 2194, 2212, 2844, 3291, 3318, 4388, 4977, 6582, 6636, 7679, 9873, 9954, 13164, 15358, 19746, 19908, 23037, 30716, 39492, 46074, 69111, 86663, 92148, 138222, 173326, 259989, 276444, 346652, 519978, 606641, 779967, 1039956, 1213282, 1559934, 1819923, 2426564, 3119868, 3639846, 5459769, 7279692, 10919538, 21839076]

約数ペア:

[(1, 21839076), (2, 10919538), (3, 7279692), (4, 5459769), (6, 3639846), (7, 3119868), (9, 2426564), (12, 1819923), (14, 1559934), (18, 1213282), (21, 1039956), (28, 779967), (36, 606641), (42, 519978), (63, 346652), (79, 276444), (84, 259989), (126, 173326), (158, 138222), (237, 92148), (252, 86663), (316, 69111), (474, 46074), (553, 39492), (711, 30716), (948, 23037), (1097, 19908), (1106, 19746), (1422, 15358), (1659, 13164), (2194, 9954), (2212, 9873), (2844, 7679), (3291, 6636), (3318, 6582), (4388, 4977)]