21777470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 46823616

約数和(自身を除く): 25046146

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 97, 110, 130, 143, 157, 194, 286, 314, 485, 715, 785, 970, 1067, 1261, 1430, 1570, 1727, 2041, 2134, 2522, 3454, 4082, 5335, 6305, 8635, 10205, 10670, 12610, 13871, 15229, 17270, 20410, 22451, 27742, 30458, 44902, 69355, 76145, 112255, 138710, 152290, 167519, 197977, 224510, 335038, 395954, 837595, 989885, 1675190, 1979770, 2177747, 4355494, 10888735, 21777470]

約数ペア:

[(1, 21777470), (2, 10888735), (5, 4355494), (10, 2177747), (11, 1979770), (13, 1675190), (22, 989885), (26, 837595), (55, 395954), (65, 335038), (97, 224510), (110, 197977), (130, 167519), (143, 152290), (157, 138710), (194, 112255), (286, 76145), (314, 69355), (485, 44902), (715, 30458), (785, 27742), (970, 22451), (1067, 20410), (1261, 17270), (1430, 15229), (1570, 13871), (1727, 12610), (2041, 10670), (2134, 10205), (2522, 8635), (3454, 6305), (4082, 5335)]