21758364

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6791}}^1$

素因数の和:6890

約数の個数: 36

約数和(自身を含む): 55626480

約数和(自身を除く): 33868116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6791, 13582, 20373, 27164, 40746, 61119, 81492, 122238, 244476, 604399, 1208798, 1813197, 2417596, 3626394, 5439591, 7252788, 10879182, 21758364]

約数ペア:

[(1, 21758364), (2, 10879182), (3, 7252788), (4, 5439591), (6, 3626394), (9, 2417596), (12, 1813197), (18, 1208798), (36, 604399), (89, 244476), (178, 122238), (267, 81492), (356, 61119), (534, 40746), (801, 27164), (1068, 20373), (1602, 13582), (3204, 6791)]