21519312

素因数分解:

$2^4\times 3^1\times {\mathrm{151}}^1\times {\mathrm{2969}}^1$

素因数の和:3131

約数の個数: 40

約数和(自身を含む): 55978560

約数和(自身を除く): 34459248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 151, 302, 453, 604, 906, 1208, 1812, 2416, 2969, 3624, 5938, 7248, 8907, 11876, 17814, 23752, 35628, 47504, 71256, 142512, 448319, 896638, 1344957, 1793276, 2689914, 3586552, 5379828, 7173104, 10759656, 21519312]

約数ペア:

[(1, 21519312), (2, 10759656), (3, 7173104), (4, 5379828), (6, 3586552), (8, 2689914), (12, 1793276), (16, 1344957), (24, 896638), (48, 448319), (151, 142512), (302, 71256), (453, 47504), (604, 35628), (906, 23752), (1208, 17814), (1812, 11876), (2416, 8907), (2969, 7248), (3624, 5938)]