21525036

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4451}}^1$

素因数の和:4502

約数の個数: 48

約数和(自身を含む): 55845888

約数和(自身を除く): 34320852

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4451, 4836, 8902, 13353, 17804, 26706, 53412, 57863, 115726, 137981, 173589, 231452, 275962, 347178, 413943, 551924, 694356, 827886, 1655772, 1793753, 3587506, 5381259, 7175012, 10762518, 21525036]

約数ペア:

[(1, 21525036), (2, 10762518), (3, 7175012), (4, 5381259), (6, 3587506), (12, 1793753), (13, 1655772), (26, 827886), (31, 694356), (39, 551924), (52, 413943), (62, 347178), (78, 275962), (93, 231452), (124, 173589), (156, 137981), (186, 115726), (372, 57863), (403, 53412), (806, 26706), (1209, 17804), (1612, 13353), (2418, 8902), (4451, 4836)]