21057924

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 50489600

約数和(自身を除く): 29431676

約数列:

[1, 2, 3, 4, 6, 12, 79, 97, 158, 194, 229, 237, 291, 316, 388, 458, 474, 582, 687, 916, 948, 1164, 1374, 2748, 7663, 15326, 18091, 22213, 22989, 30652, 36182, 44426, 45978, 54273, 66639, 72364, 88852, 91956, 108546, 133278, 217092, 266556, 1754827, 3509654, 5264481, 7019308, 10528962, 21057924]

約数ペア:

[(1, 21057924), (2, 10528962), (3, 7019308), (4, 5264481), (6, 3509654), (12, 1754827), (79, 266556), (97, 217092), (158, 133278), (194, 108546), (229, 91956), (237, 88852), (291, 72364), (316, 66639), (388, 54273), (458, 45978), (474, 44426), (582, 36182), (687, 30652), (916, 22989), (948, 22213), (1164, 18091), (1374, 15326), (2748, 7663)]