21839392

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 44634240

約数和(自身を除く): 22794848

約数列:

[1, 2, 4, 8, 16, 32, 53, 79, 106, 158, 163, 212, 316, 326, 424, 632, 652, 848, 1264, 1304, 1696, 2528, 2608, 4187, 5216, 8374, 8639, 12877, 16748, 17278, 25754, 33496, 34556, 51508, 66992, 69112, 103016, 133984, 138224, 206032, 276448, 412064, 682481, 1364962, 2729924, 5459848, 10919696, 21839392]

約数ペア:

[(1, 21839392), (2, 10919696), (4, 5459848), (8, 2729924), (16, 1364962), (32, 682481), (53, 412064), (79, 276448), (106, 206032), (158, 138224), (163, 133984), (212, 103016), (316, 69112), (326, 66992), (424, 51508), (632, 34556), (652, 33496), (848, 25754), (1264, 17278), (1304, 16748), (1696, 12877), (2528, 8639), (2608, 8374), (4187, 5216)]