21722206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 37768320

約数和(自身を除く): 16046114

約数列:

[1, 2, 11, 19, 22, 38, 157, 209, 314, 331, 418, 662, 1727, 2983, 3454, 3641, 5966, 6289, 7282, 12578, 32813, 51967, 65626, 69179, 103934, 138358, 571637, 987373, 1143274, 1974746, 10861103, 21722206]

約数ペア:

[(1, 21722206), (2, 10861103), (11, 1974746), (19, 1143274), (22, 987373), (38, 571637), (157, 138358), (209, 103934), (314, 69179), (331, 65626), (418, 51967), (662, 32813), (1727, 12578), (2983, 7282), (3454, 6289), (3641, 5966)]