21025134

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4729}}^1$

素因数の和:4769

約数の個数: 48

約数和(自身を含む): 51651600

約数和(自身を除く): 30626466

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 4729, 9458, 14187, 28374, 42561, 61477, 85122, 89851, 122954, 179702, 184431, 269553, 368862, 539106, 553293, 808659, 1106586, 1168063, 1617318, 2336126, 3504189, 7008378, 10512567, 21025134]

約数ペア:

[(1, 21025134), (2, 10512567), (3, 7008378), (6, 3504189), (9, 2336126), (13, 1617318), (18, 1168063), (19, 1106586), (26, 808659), (38, 553293), (39, 539106), (57, 368862), (78, 269553), (114, 184431), (117, 179702), (171, 122954), (234, 89851), (247, 85122), (342, 61477), (494, 42561), (741, 28374), (1482, 14187), (2223, 9458), (4446, 4729)]