21787272

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7759}}^1$

素因数の和:7787

約数の個数: 64

約数和(自身を含む): 65184000

約数和(自身を除く): 43396728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7759, 15518, 23277, 31036, 46554, 62072, 69831, 93108, 100867, 139662, 186216, 201734, 209493, 279324, 302601, 403468, 418986, 558648, 605202, 806936, 837972, 907803, 1210404, 1675944, 1815606, 2420808, 2723409, 3631212, 5446818, 7262424, 10893636, 21787272]

約数ペア:

[(1, 21787272), (2, 10893636), (3, 7262424), (4, 5446818), (6, 3631212), (8, 2723409), (9, 2420808), (12, 1815606), (13, 1675944), (18, 1210404), (24, 907803), (26, 837972), (27, 806936), (36, 605202), (39, 558648), (52, 418986), (54, 403468), (72, 302601), (78, 279324), (104, 209493), (108, 201734), (117, 186216), (156, 139662), (216, 100867), (234, 93108), (312, 69831), (351, 62072), (468, 46554), (702, 31036), (936, 23277), (1404, 15518), (2808, 7759)]