21217812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22963}}^1$

素因数の和:22988

約数の個数: 48

約数和(自身を含む): 61727232

約数和(自身を除く): 40509420

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 22963, 45926, 68889, 91852, 137778, 160741, 252593, 275556, 321482, 482223, 505186, 642964, 757779, 964446, 1010372, 1515558, 1768151, 1928892, 3031116, 3536302, 5304453, 7072604, 10608906, 21217812]

約数ペア:

[(1, 21217812), (2, 10608906), (3, 7072604), (4, 5304453), (6, 3536302), (7, 3031116), (11, 1928892), (12, 1768151), (14, 1515558), (21, 1010372), (22, 964446), (28, 757779), (33, 642964), (42, 505186), (44, 482223), (66, 321482), (77, 275556), (84, 252593), (132, 160741), (154, 137778), (231, 91852), (308, 68889), (462, 45926), (924, 22963)]