21869619387

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{48131}}^1$

素因数の和:48440

約数の個数: 48

約数和(自身を含む): 37136340864

約数和(自身を除く): 15266721477

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 281, 539, 843, 1617, 1967, 3091, 5901, 9273, 13769, 21637, 41307, 48131, 64911, 144393, 151459, 336917, 454377, 529441, 1010751, 1588323, 2358419, 3706087, 7075257, 11118261, 13524811, 25942609, 40574433, 77827827, 94673677, 148772921, 284021031, 446318763, 662715739, 1041410447, 1988147217, 3124231341, 7289873129, 21869619387]

約数ペア:

[(1, 21869619387), (3, 7289873129), (7, 3124231341), (11, 1988147217), (21, 1041410447), (33, 662715739), (49, 446318763), (77, 284021031), (147, 148772921), (231, 94673677), (281, 77827827), (539, 40574433), (843, 25942609), (1617, 13524811), (1967, 11118261), (3091, 7075257), (5901, 3706087), (9273, 2358419), (13769, 1588323), (21637, 1010751), (41307, 529441), (48131, 454377), (64911, 336917), (144393, 151459)]