21059416

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1733}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 47442240

約数和(自身を除く): 26382824

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1733, 1736, 3038, 3466, 6076, 6932, 12131, 12152, 13864, 24262, 48524, 53723, 84917, 97048, 107446, 169834, 214892, 339668, 376061, 429784, 679336, 752122, 1504244, 2632427, 3008488, 5264854, 10529708, 21059416]

約数ペア:

[(1, 21059416), (2, 10529708), (4, 5264854), (7, 3008488), (8, 2632427), (14, 1504244), (28, 752122), (31, 679336), (49, 429784), (56, 376061), (62, 339668), (98, 214892), (124, 169834), (196, 107446), (217, 97048), (248, 84917), (392, 53723), (434, 48524), (868, 24262), (1519, 13864), (1733, 12152), (1736, 12131), (3038, 6932), (3466, 6076)]