21114345

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1249}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 41040000

約数和(自身を除く): 19925655

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 245, 345, 483, 735, 805, 1127, 1249, 2415, 3381, 3747, 5635, 6245, 8743, 16905, 18735, 26229, 28727, 43715, 61201, 86181, 131145, 143635, 183603, 201089, 306005, 430905, 603267, 918015, 1005445, 1407623, 3016335, 4222869, 7038115, 21114345]

約数ペア:

[(1, 21114345), (3, 7038115), (5, 4222869), (7, 3016335), (15, 1407623), (21, 1005445), (23, 918015), (35, 603267), (49, 430905), (69, 306005), (105, 201089), (115, 183603), (147, 143635), (161, 131145), (245, 86181), (345, 61201), (483, 43715), (735, 28727), (805, 26229), (1127, 18735), (1249, 16905), (2415, 8743), (3381, 6245), (3747, 5635)]