21346875

素因数分解:

$3^3\times 5^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:68

約数の個数: 96

約数和(自身を含む): 44997120

約数和(自身を除く): 23650245

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 27, 33, 45, 55, 69, 75, 99, 115, 125, 135, 165, 207, 225, 253, 275, 297, 345, 375, 495, 575, 621, 625, 675, 759, 825, 1035, 1125, 1265, 1375, 1485, 1725, 1875, 2277, 2475, 2875, 3105, 3125, 3375, 3795, 4125, 5175, 5625, 6325, 6831, 6875, 7425, 8625, 9375, 11385, 12375, 14375, 15525, 16875, 18975, 20625, 25875, 28125, 31625, 34155, 34375, 37125, 43125, 56925, 61875, 71875, 77625, 84375, 94875, 103125, 129375, 158125, 170775, 185625, 215625, 284625, 309375, 388125, 474375, 646875, 790625, 853875, 928125, 1423125, 1940625, 2371875, 4269375, 7115625, 21346875]

約数ペア:

[(1, 21346875), (3, 7115625), (5, 4269375), (9, 2371875), (11, 1940625), (15, 1423125), (23, 928125), (25, 853875), (27, 790625), (33, 646875), (45, 474375), (55, 388125), (69, 309375), (75, 284625), (99, 215625), (115, 185625), (125, 170775), (135, 158125), (165, 129375), (207, 103125), (225, 94875), (253, 84375), (275, 77625), (297, 71875), (345, 61875), (375, 56925), (495, 43125), (575, 37125), (621, 34375), (625, 34155), (675, 31625), (759, 28125), (825, 25875), (1035, 20625), (1125, 18975), (1265, 16875), (1375, 15525), (1485, 14375), (1725, 12375), (1875, 11385), (2277, 9375), (2475, 8625), (2875, 7425), (3105, 6875), (3125, 6831), (3375, 6325), (3795, 5625), (4125, 5175)]