21363180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4507}}^1$

素因数の和:4598

約数の個数: 48

約数和(自身を含む): 60587520

約数和(自身を除く): 39224340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4507, 4740, 9014, 13521, 18028, 22535, 27042, 45070, 54084, 67605, 90140, 135210, 270420, 356053, 712106, 1068159, 1424212, 1780265, 2136318, 3560530, 4272636, 5340795, 7121060, 10681590, 21363180]

約数ペア:

[(1, 21363180), (2, 10681590), (3, 7121060), (4, 5340795), (5, 4272636), (6, 3560530), (10, 2136318), (12, 1780265), (15, 1424212), (20, 1068159), (30, 712106), (60, 356053), (79, 270420), (158, 135210), (237, 90140), (316, 67605), (395, 54084), (474, 45070), (790, 27042), (948, 22535), (1185, 18028), (1580, 13521), (2370, 9014), (4507, 4740)]