21435843

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1723}}^1$

素因数の和:1779

約数の個数: 32

約数和(自身を含む): 34755840

約数和(自身を除く): 13319997

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 143, 319, 377, 429, 957, 1131, 1723, 4147, 5169, 12441, 18953, 22399, 49967, 56859, 67197, 149901, 246389, 549637, 649571, 739167, 1648911, 1948713, 7145281, 21435843]

約数ペア:

[(1, 21435843), (3, 7145281), (11, 1948713), (13, 1648911), (29, 739167), (33, 649571), (39, 549637), (87, 246389), (143, 149901), (319, 67197), (377, 56859), (429, 49967), (957, 22399), (1131, 18953), (1723, 12441), (4147, 5169)]