21609120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3463}}^1$

素因数の和:3494

約数の個数: 96

約数和(自身を含む): 73325952

約数和(自身を除く): 51716832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 3463, 6240, 6926, 10389, 13852, 17315, 20778, 27704, 34630, 41556, 45019, 51945, 55408, 69260, 83112, 90038, 103890, 110816, 135057, 138520, 166224, 180076, 207780, 225095, 270114, 277040, 332448, 360152, 415560, 450190, 540228, 554080, 675285, 720304, 831120, 900380, 1080456, 1350570, 1440608, 1662240, 1800760, 2160912, 2701140, 3601520, 4321824, 5402280, 7203040, 10804560, 21609120]

約数ペア:

[(1, 21609120), (2, 10804560), (3, 7203040), (4, 5402280), (5, 4321824), (6, 3601520), (8, 2701140), (10, 2160912), (12, 1800760), (13, 1662240), (15, 1440608), (16, 1350570), (20, 1080456), (24, 900380), (26, 831120), (30, 720304), (32, 675285), (39, 554080), (40, 540228), (48, 450190), (52, 415560), (60, 360152), (65, 332448), (78, 277040), (80, 270114), (96, 225095), (104, 207780), (120, 180076), (130, 166224), (156, 138520), (160, 135057), (195, 110816), (208, 103890), (240, 90038), (260, 83112), (312, 69260), (390, 55408), (416, 51945), (480, 45019), (520, 41556), (624, 34630), (780, 27704), (1040, 20778), (1248, 17315), (1560, 13852), (2080, 10389), (3120, 6926), (3463, 6240)]