21440112

素因数分解:

$2^4\times 3^1\times {\mathrm{223}}^1\times {\mathrm{2003}}^1$

素因数の和:2237

約数の個数: 40

約数和(自身を含む): 55663104

約数和(自身を除く): 34222992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 223, 446, 669, 892, 1338, 1784, 2003, 2676, 3568, 4006, 5352, 6009, 8012, 10704, 12018, 16024, 24036, 32048, 48072, 96144, 446669, 893338, 1340007, 1786676, 2680014, 3573352, 5360028, 7146704, 10720056, 21440112]

約数ペア:

[(1, 21440112), (2, 10720056), (3, 7146704), (4, 5360028), (6, 3573352), (8, 2680014), (12, 1786676), (16, 1340007), (24, 893338), (48, 446669), (223, 96144), (446, 48072), (669, 32048), (892, 24036), (1338, 16024), (1784, 12018), (2003, 10704), (2676, 8012), (3568, 6009), (4006, 5352)]