21471120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2711}}^1$

素因数の和:2741

約数の個数: 120

約数和(自身を含む): 78691392

約数和(自身を除く): 57220272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 2711, 3960, 5422, 7920, 8133, 10844, 13555, 16266, 21688, 24399, 27110, 29821, 32532, 40665, 43376, 48798, 54220, 59642, 65064, 81330, 89463, 97596, 108440, 119284, 121995, 130128, 149105, 162660, 178926, 195192, 216880, 238568, 243990, 268389, 298210, 325320, 357852, 390384, 447315, 477136, 487980, 536778, 596420, 650640, 715704, 894630, 975960, 1073556, 1192840, 1341945, 1431408, 1789260, 1951920, 2147112, 2385680, 2683890, 3578520, 4294224, 5367780, 7157040, 10735560, 21471120]

約数ペア:

[(1, 21471120), (2, 10735560), (3, 7157040), (4, 5367780), (5, 4294224), (6, 3578520), (8, 2683890), (9, 2385680), (10, 2147112), (11, 1951920), (12, 1789260), (15, 1431408), (16, 1341945), (18, 1192840), (20, 1073556), (22, 975960), (24, 894630), (30, 715704), (33, 650640), (36, 596420), (40, 536778), (44, 487980), (45, 477136), (48, 447315), (55, 390384), (60, 357852), (66, 325320), (72, 298210), (80, 268389), (88, 243990), (90, 238568), (99, 216880), (110, 195192), (120, 178926), (132, 162660), (144, 149105), (165, 130128), (176, 121995), (180, 119284), (198, 108440), (220, 97596), (240, 89463), (264, 81330), (330, 65064), (360, 59642), (396, 54220), (440, 48798), (495, 43376), (528, 40665), (660, 32532), (720, 29821), (792, 27110), (880, 24399), (990, 21688), (1320, 16266), (1584, 13555), (1980, 10844), (2640, 8133), (2711, 7920), (3960, 5422)]