21393432

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4871}}^1$

素因数の和:4944

約数の個数: 48

約数和(自身を含む): 58902480

約数和(自身を除く): 37509048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 4871, 9742, 14613, 19484, 29226, 38968, 43839, 58452, 87678, 116904, 175356, 297131, 350712, 594262, 891393, 1188524, 1782786, 2377048, 2674179, 3565572, 5348358, 7131144, 10696716, 21393432]

約数ペア:

[(1, 21393432), (2, 10696716), (3, 7131144), (4, 5348358), (6, 3565572), (8, 2674179), (9, 2377048), (12, 1782786), (18, 1188524), (24, 891393), (36, 594262), (61, 350712), (72, 297131), (122, 175356), (183, 116904), (244, 87678), (366, 58452), (488, 43839), (549, 38968), (732, 29226), (1098, 19484), (1464, 14613), (2196, 9742), (4392, 4871)]