21109872

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{62827}}^1$

素因数の和:62845

約数の個数: 40

約数和(自身を含む): 62325376

約数和(自身を除く): 41215504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 62827, 125654, 188481, 251308, 376962, 439789, 502616, 753924, 879578, 1005232, 1319367, 1507848, 1759156, 2638734, 3015696, 3518312, 5277468, 7036624, 10554936, 21109872]

約数ペア:

[(1, 21109872), (2, 10554936), (3, 7036624), (4, 5277468), (6, 3518312), (7, 3015696), (8, 2638734), (12, 1759156), (14, 1507848), (16, 1319367), (21, 1005232), (24, 879578), (28, 753924), (42, 502616), (48, 439789), (56, 376962), (84, 251308), (112, 188481), (168, 125654), (336, 62827)]