21000688776

素因数分解:

$2^3\times 3^3\times {\mathrm{431}}^1\times {\mathrm{225581}}^1$

素因数の和:226027

約数の個数: 64

約数和(自身を含む): 58470854400

約数和(自身を除く): 37470165624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 431, 862, 1293, 1724, 2586, 3448, 3879, 5172, 7758, 10344, 11637, 15516, 23274, 31032, 46548, 93096, 225581, 451162, 676743, 902324, 1353486, 1804648, 2030229, 2706972, 4060458, 5413944, 6090687, 8120916, 12181374, 16241832, 24362748, 48725496, 97225411, 194450822, 291676233, 388901644, 583352466, 777803288, 875028699, 1166704932, 1750057398, 2333409864, 2625086097, 3500114796, 5250172194, 7000229592, 10500344388, 21000688776]

約数ペア:

[(1, 21000688776), (2, 10500344388), (3, 7000229592), (4, 5250172194), (6, 3500114796), (8, 2625086097), (9, 2333409864), (12, 1750057398), (18, 1166704932), (24, 875028699), (27, 777803288), (36, 583352466), (54, 388901644), (72, 291676233), (108, 194450822), (216, 97225411), (431, 48725496), (862, 24362748), (1293, 16241832), (1724, 12181374), (2586, 8120916), (3448, 6090687), (3879, 5413944), (5172, 4060458), (7758, 2706972), (10344, 2030229), (11637, 1804648), (15516, 1353486), (23274, 902324), (31032, 676743), (46548, 451162), (93096, 225581)]