21193424

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11131}}^1$

素因数の和:11163

約数の個数: 40

約数和(自身を含む): 49693248

約数和(自身を除く): 28499824

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 11131, 22262, 44524, 77917, 89048, 155834, 178096, 189227, 311668, 378454, 623336, 756908, 1246672, 1324589, 1513816, 2649178, 3027632, 5298356, 10596712, 21193424]

約数ペア:

[(1, 21193424), (2, 10596712), (4, 5298356), (7, 3027632), (8, 2649178), (14, 1513816), (16, 1324589), (17, 1246672), (28, 756908), (34, 623336), (56, 378454), (68, 311668), (112, 189227), (119, 178096), (136, 155834), (238, 89048), (272, 77917), (476, 44524), (952, 22262), (1904, 11131)]