21017387832

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{371227}}^1$

素因数の和:371580

約数の個数: 64

約数和(自身を含む): 60228030720

約数和(自身を除く): 39210642888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 337, 674, 1011, 1348, 2022, 2359, 2696, 4044, 4718, 7077, 8088, 9436, 14154, 18872, 28308, 56616, 371227, 742454, 1113681, 1484908, 2227362, 2598589, 2969816, 4454724, 5197178, 7795767, 8909448, 10394356, 15591534, 20788712, 31183068, 62366136, 125103499, 250206998, 375310497, 500413996, 750620994, 875724493, 1000827992, 1501241988, 1751448986, 2627173479, 3002483976, 3502897972, 5254346958, 7005795944, 10508693916, 21017387832]

約数ペア:

[(1, 21017387832), (2, 10508693916), (3, 7005795944), (4, 5254346958), (6, 3502897972), (7, 3002483976), (8, 2627173479), (12, 1751448986), (14, 1501241988), (21, 1000827992), (24, 875724493), (28, 750620994), (42, 500413996), (56, 375310497), (84, 250206998), (168, 125103499), (337, 62366136), (674, 31183068), (1011, 20788712), (1348, 15591534), (2022, 10394356), (2359, 8909448), (2696, 7795767), (4044, 5197178), (4718, 4454724), (7077, 2969816), (8088, 2598589), (9436, 2227362), (14154, 1484908), (18872, 1113681), (28308, 742454), (56616, 371227)]