21060840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{599}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 42443160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 293, 586, 599, 879, 1172, 1198, 1465, 1758, 1797, 2344, 2396, 2930, 2995, 3516, 3594, 4395, 4792, 5860, 5990, 7032, 7188, 8790, 8985, 11720, 11980, 14376, 17580, 17970, 23960, 35160, 35940, 71880, 175507, 351014, 526521, 702028, 877535, 1053042, 1404056, 1755070, 2106084, 2632605, 3510140, 4212168, 5265210, 7020280, 10530420, 21060840]

約数ペア:

[(1, 21060840), (2, 10530420), (3, 7020280), (4, 5265210), (5, 4212168), (6, 3510140), (8, 2632605), (10, 2106084), (12, 1755070), (15, 1404056), (20, 1053042), (24, 877535), (30, 702028), (40, 526521), (60, 351014), (120, 175507), (293, 71880), (586, 35940), (599, 35160), (879, 23960), (1172, 17970), (1198, 17580), (1465, 14376), (1758, 11980), (1797, 11720), (2344, 8985), (2396, 8790), (2930, 7188), (2995, 7032), (3516, 5990), (3594, 5860), (4395, 4792)]