21683332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 23132348

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 407, 418, 701, 703, 814, 836, 1402, 1406, 1628, 2804, 2812, 7711, 7733, 13319, 15422, 15466, 25937, 26638, 30844, 30932, 51874, 53276, 103748, 146509, 285307, 293018, 492803, 570614, 586036, 985606, 1141228, 1971212, 5420833, 10841666, 21683332]

約数ペア:

[(1, 21683332), (2, 10841666), (4, 5420833), (11, 1971212), (19, 1141228), (22, 985606), (37, 586036), (38, 570614), (44, 492803), (74, 293018), (76, 285307), (148, 146509), (209, 103748), (407, 53276), (418, 51874), (701, 30932), (703, 30844), (814, 26638), (836, 25937), (1402, 15466), (1406, 15422), (1628, 13319), (2804, 7733), (2812, 7711)]