21554370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{823}}^1$

素因数の和:936

約数の個数: 64

約数和(自身を含む): 58141440

約数和(自身を除く): 36587070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 97, 135, 194, 270, 291, 485, 582, 823, 873, 970, 1455, 1646, 1746, 2469, 2619, 2910, 4115, 4365, 4938, 5238, 7407, 8230, 8730, 12345, 13095, 14814, 22221, 24690, 26190, 37035, 44442, 74070, 79831, 111105, 159662, 222210, 239493, 399155, 478986, 718479, 798310, 1197465, 1436958, 2155437, 2394930, 3592395, 4310874, 7184790, 10777185, 21554370]

約数ペア:

[(1, 21554370), (2, 10777185), (3, 7184790), (5, 4310874), (6, 3592395), (9, 2394930), (10, 2155437), (15, 1436958), (18, 1197465), (27, 798310), (30, 718479), (45, 478986), (54, 399155), (90, 239493), (97, 222210), (135, 159662), (194, 111105), (270, 79831), (291, 74070), (485, 44442), (582, 37035), (823, 26190), (873, 24690), (970, 22221), (1455, 14814), (1646, 13095), (1746, 12345), (2469, 8730), (2619, 8230), (2910, 7407), (4115, 5238), (4365, 4938)]