21796757972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1361}}^1\times {\mathrm{19157}}^1$

素因数の和:20552

約数の個数: 48

約数和(自身を含む): 43836569280

約数和(自身を除く): 22039811308

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 1361, 2722, 5444, 14971, 19157, 25859, 29942, 38314, 51718, 59884, 76628, 103436, 210727, 284449, 363983, 421454, 568898, 727966, 842908, 1137796, 1455932, 4003813, 8007626, 16015252, 26072677, 52145354, 104290708, 286799447, 495380863, 573598894, 990761726, 1147197788, 1981523452, 5449189493, 10898378986, 21796757972]

約数ペア:

[(1, 21796757972), (2, 10898378986), (4, 5449189493), (11, 1981523452), (19, 1147197788), (22, 990761726), (38, 573598894), (44, 495380863), (76, 286799447), (209, 104290708), (418, 52145354), (836, 26072677), (1361, 16015252), (2722, 8007626), (5444, 4003813), (14971, 1455932), (19157, 1137796), (25859, 842908), (29942, 727966), (38314, 568898), (51718, 421454), (59884, 363983), (76628, 284449), (103436, 210727)]