21407952

素因数分解:

$2^4\times 3^1\times {\mathrm{653}}^1\times {\mathrm{683}}^1$

素因数の和:1347

約数の個数: 40

約数和(自身を含む): 55469664

約数和(自身を除く): 34061712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 653, 683, 1306, 1366, 1959, 2049, 2612, 2732, 3918, 4098, 5224, 5464, 7836, 8196, 10448, 10928, 15672, 16392, 31344, 32784, 445999, 891998, 1337997, 1783996, 2675994, 3567992, 5351988, 7135984, 10703976, 21407952]

約数ペア:

[(1, 21407952), (2, 10703976), (3, 7135984), (4, 5351988), (6, 3567992), (8, 2675994), (12, 1783996), (16, 1337997), (24, 891998), (48, 445999), (653, 32784), (683, 31344), (1306, 16392), (1366, 15672), (1959, 10928), (2049, 10448), (2612, 8196), (2732, 7836), (3918, 5464), (4098, 5224)]