21851551188

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1151779}}^1$

素因数の和:1151837

約数の個数: 72

約数和(自身を含む): 60371700480

約数和(自身を除く): 38520149292

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 62, 68, 93, 102, 124, 153, 186, 204, 279, 306, 372, 527, 558, 612, 1054, 1116, 1581, 2108, 3162, 4743, 6324, 9486, 18972, 1151779, 2303558, 3455337, 4607116, 6910674, 10366011, 13821348, 19580243, 20732022, 35705149, 39160486, 41464044, 58740729, 71410298, 78320972, 107115447, 117481458, 142820596, 176222187, 214230894, 234962916, 321346341, 352444374, 428461788, 606987533, 642692682, 704888748, 1213975066, 1285385364, 1820962599, 2427950132, 3641925198, 5462887797, 7283850396, 10925775594, 21851551188]

約数ペア:

[(1, 21851551188), (2, 10925775594), (3, 7283850396), (4, 5462887797), (6, 3641925198), (9, 2427950132), (12, 1820962599), (17, 1285385364), (18, 1213975066), (31, 704888748), (34, 642692682), (36, 606987533), (51, 428461788), (62, 352444374), (68, 321346341), (93, 234962916), (102, 214230894), (124, 176222187), (153, 142820596), (186, 117481458), (204, 107115447), (279, 78320972), (306, 71410298), (372, 58740729), (527, 41464044), (558, 39160486), (612, 35705149), (1054, 20732022), (1116, 19580243), (1581, 13821348), (2108, 10366011), (3162, 6910674), (4743, 4607116), (6324, 3455337), (9486, 2303558), (18972, 1151779)]