21978630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12853}}^1$

素因数の和:12885

約数の個数: 48

約数和(自身を含む): 60156720

約数和(自身を除く): 38178090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12853, 25706, 38559, 64265, 77118, 115677, 128530, 192795, 231354, 244207, 385590, 488414, 578385, 732621, 1156770, 1221035, 1465242, 2197863, 2442070, 3663105, 4395726, 7326210, 10989315, 21978630]

約数ペア:

[(1, 21978630), (2, 10989315), (3, 7326210), (5, 4395726), (6, 3663105), (9, 2442070), (10, 2197863), (15, 1465242), (18, 1221035), (19, 1156770), (30, 732621), (38, 578385), (45, 488414), (57, 385590), (90, 244207), (95, 231354), (114, 192795), (171, 128530), (190, 115677), (285, 77118), (342, 64265), (570, 38559), (855, 25706), (1710, 12853)]