21329340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4283}}^1$

素因数の和:4378

約数の個数: 48

約数和(自身を含む): 60455808

約数和(自身を除く): 39126468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 2490, 4283, 4980, 8566, 12849, 17132, 21415, 25698, 42830, 51396, 64245, 85660, 128490, 256980, 355489, 710978, 1066467, 1421956, 1777445, 2132934, 3554890, 4265868, 5332335, 7109780, 10664670, 21329340]

約数ペア:

[(1, 21329340), (2, 10664670), (3, 7109780), (4, 5332335), (5, 4265868), (6, 3554890), (10, 2132934), (12, 1777445), (15, 1421956), (20, 1066467), (30, 710978), (60, 355489), (83, 256980), (166, 128490), (249, 85660), (332, 64245), (415, 51396), (498, 42830), (830, 25698), (996, 21415), (1245, 17132), (1660, 12849), (2490, 8566), (4283, 4980)]