21136788

素因数分解:

$2^2\times 3^4\times {\mathrm{89}}^1\times {\mathrm{733}}^1$

素因数の和:838

約数の個数: 60

約数和(自身を含む): 55952820

約数和(自身を除く): 34816032

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 89, 108, 162, 178, 267, 324, 356, 534, 733, 801, 1068, 1466, 1602, 2199, 2403, 2932, 3204, 4398, 4806, 6597, 7209, 8796, 9612, 13194, 14418, 19791, 26388, 28836, 39582, 59373, 65237, 79164, 118746, 130474, 195711, 237492, 260948, 391422, 587133, 782844, 1174266, 1761399, 2348532, 3522798, 5284197, 7045596, 10568394, 21136788]

約数ペア:

[(1, 21136788), (2, 10568394), (3, 7045596), (4, 5284197), (6, 3522798), (9, 2348532), (12, 1761399), (18, 1174266), (27, 782844), (36, 587133), (54, 391422), (81, 260948), (89, 237492), (108, 195711), (162, 130474), (178, 118746), (267, 79164), (324, 65237), (356, 59373), (534, 39582), (733, 28836), (801, 26388), (1068, 19791), (1466, 14418), (1602, 13194), (2199, 9612), (2403, 8796), (2932, 7209), (3204, 6597), (4398, 4806)]