21650139

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6029}}^1$

素因数の和:6064

約数の個数: 32

約数和(自身を含む): 38592000

約数和(自身を除く): 16941861

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 6029, 18087, 42203, 54261, 114551, 126609, 162783, 343653, 379827, 801857, 1030959, 1139481, 2405571, 3092877, 7216713, 21650139]

約数ペア:

[(1, 21650139), (3, 7216713), (7, 3092877), (9, 2405571), (19, 1139481), (21, 1030959), (27, 801857), (57, 379827), (63, 343653), (133, 162783), (171, 126609), (189, 114551), (399, 54261), (513, 42203), (1197, 18087), (3591, 6029)]