21865164

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 52617600

約数和(自身を除く): 30752436

約数列:

[1, 2, 3, 4, 6, 12, 59, 89, 118, 177, 178, 236, 267, 347, 354, 356, 534, 694, 708, 1041, 1068, 1388, 2082, 4164, 5251, 10502, 15753, 20473, 21004, 30883, 31506, 40946, 61419, 61766, 63012, 81892, 92649, 122838, 123532, 185298, 245676, 370596, 1822097, 3644194, 5466291, 7288388, 10932582, 21865164]

約数ペア:

[(1, 21865164), (2, 10932582), (3, 7288388), (4, 5466291), (6, 3644194), (12, 1822097), (59, 370596), (89, 245676), (118, 185298), (177, 123532), (178, 122838), (236, 92649), (267, 81892), (347, 63012), (354, 61766), (356, 61419), (534, 40946), (694, 31506), (708, 30883), (1041, 21004), (1068, 20473), (1388, 15753), (2082, 10502), (4164, 5251)]