21906570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1429}}^1$

素因数の和:1519

約数の個数: 64

約数和(自身を含む): 60952320

約数和(自身を除く): 39045750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 365, 438, 511, 730, 1022, 1095, 1429, 1533, 2190, 2555, 2858, 3066, 4287, 5110, 7145, 7665, 8574, 10003, 14290, 15330, 20006, 21435, 30009, 42870, 50015, 60018, 100030, 104317, 150045, 208634, 300090, 312951, 521585, 625902, 730219, 1043170, 1460438, 1564755, 2190657, 3129510, 3651095, 4381314, 7302190, 10953285, 21906570]

約数ペア:

[(1, 21906570), (2, 10953285), (3, 7302190), (5, 4381314), (6, 3651095), (7, 3129510), (10, 2190657), (14, 1564755), (15, 1460438), (21, 1043170), (30, 730219), (35, 625902), (42, 521585), (70, 312951), (73, 300090), (105, 208634), (146, 150045), (210, 104317), (219, 100030), (365, 60018), (438, 50015), (511, 42870), (730, 30009), (1022, 21435), (1095, 20006), (1429, 15330), (1533, 14290), (2190, 10003), (2555, 8574), (2858, 7665), (3066, 7145), (4287, 5110)]