21167797989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{54001}}^1$

素因数の和:54082

約数の個数: 48

約数和(自身を含む): 33446678720

約数和(自身を除く): 12278880731

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 529, 741, 897, 1311, 1587, 5681, 6877, 10051, 17043, 20631, 30153, 54001, 130663, 162003, 391989, 702013, 1026019, 1242023, 2106039, 3078057, 3726069, 13338247, 16146299, 23598437, 28566529, 40014741, 48438897, 70795311, 85699587, 306779681, 371364877, 542764051, 920339043, 1114094631, 1628292153, 7055932663, 21167797989]

約数ペア:

[(1, 21167797989), (3, 7055932663), (13, 1628292153), (19, 1114094631), (23, 920339043), (39, 542764051), (57, 371364877), (69, 306779681), (247, 85699587), (299, 70795311), (437, 48438897), (529, 40014741), (741, 28566529), (897, 23598437), (1311, 16146299), (1587, 13338247), (5681, 3726069), (6877, 3078057), (10051, 2106039), (17043, 1242023), (20631, 1026019), (30153, 702013), (54001, 391989), (130663, 162003)]