21599120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7297}}^1$

素因数の和:7347

約数の個数: 40

約数和(自身を含む): 51582264

約数和(自身を除く): 29983144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 7297, 14594, 29188, 36485, 58376, 72970, 116752, 145940, 269989, 291880, 539978, 583760, 1079956, 1349945, 2159912, 2699890, 4319824, 5399780, 10799560, 21599120]

約数ペア:

[(1, 21599120), (2, 10799560), (4, 5399780), (5, 4319824), (8, 2699890), (10, 2159912), (16, 1349945), (20, 1079956), (37, 583760), (40, 539978), (74, 291880), (80, 269989), (148, 145940), (185, 116752), (296, 72970), (370, 58376), (592, 36485), (740, 29188), (1480, 14594), (2960, 7297)]