21111750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{853}}^1$

素因数の和:887

約数の個数: 96

約数和(自身を含む): 62348832

約数和(自身を除く): 41237082

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 125, 150, 165, 198, 225, 250, 275, 330, 375, 450, 495, 550, 750, 825, 853, 990, 1125, 1375, 1650, 1706, 2250, 2475, 2559, 2750, 4125, 4265, 4950, 5118, 7677, 8250, 8530, 9383, 12375, 12795, 15354, 18766, 21325, 24750, 25590, 28149, 38385, 42650, 46915, 56298, 63975, 76770, 84447, 93830, 106625, 127950, 140745, 168894, 191925, 213250, 234575, 281490, 319875, 383850, 422235, 469150, 639750, 703725, 844470, 959625, 1172875, 1407450, 1919250, 2111175, 2345750, 3518625, 4222350, 7037250, 10555875, 21111750]

約数ペア:

[(1, 21111750), (2, 10555875), (3, 7037250), (5, 4222350), (6, 3518625), (9, 2345750), (10, 2111175), (11, 1919250), (15, 1407450), (18, 1172875), (22, 959625), (25, 844470), (30, 703725), (33, 639750), (45, 469150), (50, 422235), (55, 383850), (66, 319875), (75, 281490), (90, 234575), (99, 213250), (110, 191925), (125, 168894), (150, 140745), (165, 127950), (198, 106625), (225, 93830), (250, 84447), (275, 76770), (330, 63975), (375, 56298), (450, 46915), (495, 42650), (550, 38385), (750, 28149), (825, 25590), (853, 24750), (990, 21325), (1125, 18766), (1375, 15354), (1650, 12795), (1706, 12375), (2250, 9383), (2475, 8530), (2559, 8250), (2750, 7677), (4125, 5118), (4265, 4950)]