21961454

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 36341760

約数和(自身を除く): 14380306

約数列:

[1, 2, 19, 31, 38, 62, 103, 181, 206, 362, 589, 1178, 1957, 3193, 3439, 3914, 5611, 6386, 6878, 11222, 18643, 37286, 60667, 106609, 121334, 213218, 354217, 577933, 708434, 1155866, 10980727, 21961454]

約数ペア:

[(1, 21961454), (2, 10980727), (19, 1155866), (31, 708434), (38, 577933), (62, 354217), (103, 213218), (181, 121334), (206, 106609), (362, 60667), (589, 37286), (1178, 18643), (1957, 11222), (3193, 6878), (3439, 6386), (3914, 5611)]