21977904

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{35221}}^1$

素因数の和:35245

約数の個数: 40

約数和(自身を含む): 61145392

約数和(自身を除く): 39167488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 35221, 70442, 105663, 140884, 211326, 281768, 422652, 457873, 563536, 845304, 915746, 1373619, 1690608, 1831492, 2747238, 3662984, 5494476, 7325968, 10988952, 21977904]

約数ペア:

[(1, 21977904), (2, 10988952), (3, 7325968), (4, 5494476), (6, 3662984), (8, 2747238), (12, 1831492), (13, 1690608), (16, 1373619), (24, 915746), (26, 845304), (39, 563536), (48, 457873), (52, 422652), (78, 281768), (104, 211326), (156, 140884), (208, 105663), (312, 70442), (624, 35221)]