21826497

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4973}}^1$

素因数の和:5013

約数の個数: 32

約数和(自身を含む): 38200320

約数和(自身を除く): 16373823

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 4973, 14919, 34811, 54703, 94487, 104433, 164109, 283461, 382921, 661409, 1039357, 1148763, 1984227, 3118071, 7275499, 21826497]

約数ペア:

[(1, 21826497), (3, 7275499), (7, 3118071), (11, 1984227), (19, 1148763), (21, 1039357), (33, 661409), (57, 382921), (77, 283461), (133, 164109), (209, 104433), (231, 94487), (399, 54703), (627, 34811), (1463, 14919), (4389, 4973)]