21998388

素因数分解:

$2^2\times 3^1\times {\mathrm{113}}^1\times {\mathrm{16223}}^1$

素因数の和:16343

約数の個数: 24

約数和(自身を含む): 51787008

約数和(自身を除く): 29788620

約数列:

[1, 2, 3, 4, 6, 12, 113, 226, 339, 452, 678, 1356, 16223, 32446, 48669, 64892, 97338, 194676, 1833199, 3666398, 5499597, 7332796, 10999194, 21998388]

約数ペア:

[(1, 21998388), (2, 10999194), (3, 7332796), (4, 5499597), (6, 3666398), (12, 1833199), (113, 194676), (226, 97338), (339, 64892), (452, 48669), (678, 32446), (1356, 16223)]