21179580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3299}}^1$

素因数の和:3418

約数の個数: 48

約数和(自身を含む): 59875200

約数和(自身を除く): 38695620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 3299, 6420, 6598, 9897, 13196, 16495, 19794, 32990, 39588, 49485, 65980, 98970, 197940, 352993, 705986, 1058979, 1411972, 1764965, 2117958, 3529930, 4235916, 5294895, 7059860, 10589790, 21179580]

約数ペア:

[(1, 21179580), (2, 10589790), (3, 7059860), (4, 5294895), (5, 4235916), (6, 3529930), (10, 2117958), (12, 1764965), (15, 1411972), (20, 1058979), (30, 705986), (60, 352993), (107, 197940), (214, 98970), (321, 65980), (428, 49485), (535, 39588), (642, 32990), (1070, 19794), (1284, 16495), (1605, 13196), (2140, 9897), (3210, 6598), (3299, 6420)]