21870498

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1409}}^1$

素因数の和:1626

約数の個数: 32

約数和(自身を含む): 47376000

約数和(自身を除く): 25505502

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 199, 398, 597, 1194, 1409, 2587, 2818, 4227, 5174, 7761, 8454, 15522, 18317, 36634, 54951, 109902, 280391, 560782, 841173, 1682346, 3645083, 7290166, 10935249, 21870498]

約数ペア:

[(1, 21870498), (2, 10935249), (3, 7290166), (6, 3645083), (13, 1682346), (26, 841173), (39, 560782), (78, 280391), (199, 109902), (398, 54951), (597, 36634), (1194, 18317), (1409, 15522), (2587, 8454), (2818, 7761), (4227, 5174)]