21373248

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8563}}^1$

素因数の和:8591

約数の個数: 56

約数和(自身を含む): 60907168

約数和(自身を除く): 39533920

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 8563, 17126, 25689, 34252, 51378, 68504, 102756, 111319, 137008, 205512, 222638, 274016, 333957, 411024, 445276, 548032, 667914, 822048, 890552, 1335828, 1644096, 1781104, 2671656, 3562208, 5343312, 7124416, 10686624, 21373248]

約数ペア:

[(1, 21373248), (2, 10686624), (3, 7124416), (4, 5343312), (6, 3562208), (8, 2671656), (12, 1781104), (13, 1644096), (16, 1335828), (24, 890552), (26, 822048), (32, 667914), (39, 548032), (48, 445276), (52, 411024), (64, 333957), (78, 274016), (96, 222638), (104, 205512), (156, 137008), (192, 111319), (208, 102756), (312, 68504), (416, 51378), (624, 34252), (832, 25689), (1248, 17126), (2496, 8563)]