21863874

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 44700480

約数和(自身を除く): 22836606

約数列:

[1, 2, 3, 6, 101, 109, 202, 218, 303, 327, 331, 606, 654, 662, 993, 1986, 11009, 22018, 33027, 33431, 36079, 66054, 66862, 72158, 100293, 108237, 200586, 216474, 3643979, 7287958, 10931937, 21863874]

約数ペア:

[(1, 21863874), (2, 10931937), (3, 7287958), (6, 3643979), (101, 216474), (109, 200586), (202, 108237), (218, 100293), (303, 72158), (327, 66862), (331, 66054), (606, 36079), (654, 33431), (662, 33027), (993, 22018), (1986, 11009)]