21327120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1559}}^1$

素因数の和:1597

約数の個数: 120

約数和(自身を含む): 75441600

約数和(自身を除く): 54114480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1559, 1710, 2280, 2736, 3118, 3420, 4560, 4677, 6236, 6840, 7795, 9354, 12472, 13680, 14031, 15590, 18708, 23385, 24944, 28062, 29621, 31180, 37416, 46770, 56124, 59242, 62360, 70155, 74832, 88863, 93540, 112248, 118484, 124720, 140310, 148105, 177726, 187080, 224496, 236968, 266589, 280620, 296210, 355452, 374160, 444315, 473936, 533178, 561240, 592420, 710904, 888630, 1066356, 1122480, 1184840, 1332945, 1421808, 1777260, 2132712, 2369680, 2665890, 3554520, 4265424, 5331780, 7109040, 10663560, 21327120]

約数ペア:

[(1, 21327120), (2, 10663560), (3, 7109040), (4, 5331780), (5, 4265424), (6, 3554520), (8, 2665890), (9, 2369680), (10, 2132712), (12, 1777260), (15, 1421808), (16, 1332945), (18, 1184840), (19, 1122480), (20, 1066356), (24, 888630), (30, 710904), (36, 592420), (38, 561240), (40, 533178), (45, 473936), (48, 444315), (57, 374160), (60, 355452), (72, 296210), (76, 280620), (80, 266589), (90, 236968), (95, 224496), (114, 187080), (120, 177726), (144, 148105), (152, 140310), (171, 124720), (180, 118484), (190, 112248), (228, 93540), (240, 88863), (285, 74832), (304, 70155), (342, 62360), (360, 59242), (380, 56124), (456, 46770), (570, 37416), (684, 31180), (720, 29621), (760, 28062), (855, 24944), (912, 23385), (1140, 18708), (1368, 15590), (1520, 14031), (1559, 13680), (1710, 12472), (2280, 9354), (2736, 7795), (3118, 6840), (3420, 6236), (4560, 4677)]