21093027760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37666121}}^1$

素因数の和:37666141

約数の個数: 40

約数和(自身を含む): 56047189536

約数和(自身を除く): 34954161776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37666121, 75332242, 150664484, 188330605, 263662847, 301328968, 376661210, 527325694, 602657936, 753322420, 1054651388, 1318314235, 1506644840, 2109302776, 2636628470, 3013289680, 4218605552, 5273256940, 10546513880, 21093027760]

約数ペア:

[(1, 21093027760), (2, 10546513880), (4, 5273256940), (5, 4218605552), (7, 3013289680), (8, 2636628470), (10, 2109302776), (14, 1506644840), (16, 1318314235), (20, 1054651388), (28, 753322420), (35, 602657936), (40, 527325694), (56, 376661210), (70, 301328968), (80, 263662847), (112, 188330605), (140, 150664484), (280, 75332242), (560, 37666121)]