21228406

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 13245194

約数列:

[1, 2, 29, 41, 58, 79, 82, 113, 158, 226, 1189, 2291, 2378, 3239, 3277, 4582, 4633, 6478, 6554, 8927, 9266, 17854, 93931, 134357, 187862, 258883, 268714, 366007, 517766, 732014, 10614203, 21228406]

約数ペア:

[(1, 21228406), (2, 10614203), (29, 732014), (41, 517766), (58, 366007), (79, 268714), (82, 258883), (113, 187862), (158, 134357), (226, 93931), (1189, 17854), (2291, 9266), (2378, 8927), (3239, 6554), (3277, 6478), (4582, 4633)]