21991956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11383}}^1$

素因数の和:11420

約数の個数: 48

約数和(自身を含む): 61200384

約数和(自身を除く): 39208428

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 11383, 22766, 34149, 45532, 68298, 79681, 136596, 159362, 239043, 261809, 318724, 478086, 523618, 785427, 956172, 1047236, 1570854, 1832663, 3141708, 3665326, 5497989, 7330652, 10995978, 21991956]

約数ペア:

[(1, 21991956), (2, 10995978), (3, 7330652), (4, 5497989), (6, 3665326), (7, 3141708), (12, 1832663), (14, 1570854), (21, 1047236), (23, 956172), (28, 785427), (42, 523618), (46, 478086), (69, 318724), (84, 261809), (92, 239043), (138, 159362), (161, 136596), (276, 79681), (322, 68298), (483, 45532), (644, 34149), (966, 22766), (1932, 11383)]