21509922

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3181}}^1$

素因数の和:3223

約数の個数: 48

約数和(自身を含む): 52235712

約数和(自身を除く): 30725790

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 138, 147, 161, 294, 322, 483, 966, 1127, 2254, 3181, 3381, 6362, 6762, 9543, 19086, 22267, 44534, 66801, 73163, 133602, 146326, 155869, 219489, 311738, 438978, 467607, 512141, 935214, 1024282, 1536423, 3072846, 3584987, 7169974, 10754961, 21509922]

約数ペア:

[(1, 21509922), (2, 10754961), (3, 7169974), (6, 3584987), (7, 3072846), (14, 1536423), (21, 1024282), (23, 935214), (42, 512141), (46, 467607), (49, 438978), (69, 311738), (98, 219489), (138, 155869), (147, 146326), (161, 133602), (294, 73163), (322, 66801), (483, 44534), (966, 22267), (1127, 19086), (2254, 9543), (3181, 6762), (3381, 6362)]