21223998

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{13553}}^1$

素因数の和:13593

約数の個数: 32

約数和(自身を含む): 48794400

約数和(自身を除く): 27570402

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566, 13553, 27106, 40659, 81318, 121977, 243954, 365931, 393037, 731862, 786074, 1179111, 2358222, 3537333, 7074666, 10611999, 21223998]

約数ペア:

[(1, 21223998), (2, 10611999), (3, 7074666), (6, 3537333), (9, 2358222), (18, 1179111), (27, 786074), (29, 731862), (54, 393037), (58, 365931), (87, 243954), (174, 121977), (261, 81318), (522, 40659), (783, 27106), (1566, 13553)]