21999769064

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{57781}}^1$

素因数の和:58330

約数の個数: 64

約数和(自身を含む): 50866650240

約数和(自身を除く): 28866881176

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 523, 728, 1046, 2092, 3661, 4184, 6799, 7322, 13598, 14644, 27196, 29288, 47593, 54392, 57781, 95186, 115562, 190372, 231124, 380744, 404467, 462248, 751153, 808934, 1502306, 1617868, 3004612, 3235736, 5258071, 6009224, 10516142, 21032284, 30219463, 42064568, 60438926, 120877852, 211536241, 241755704, 392853019, 423072482, 785706038, 846144964, 1571412076, 1692289928, 2749971133, 3142824152, 5499942266, 10999884532, 21999769064]

約数ペア:

[(1, 21999769064), (2, 10999884532), (4, 5499942266), (7, 3142824152), (8, 2749971133), (13, 1692289928), (14, 1571412076), (26, 846144964), (28, 785706038), (52, 423072482), (56, 392853019), (91, 241755704), (104, 211536241), (182, 120877852), (364, 60438926), (523, 42064568), (728, 30219463), (1046, 21032284), (2092, 10516142), (3661, 6009224), (4184, 5258071), (6799, 3235736), (7322, 3004612), (13598, 1617868), (14644, 1502306), (27196, 808934), (29288, 751153), (47593, 462248), (54392, 404467), (57781, 380744), (95186, 231124), (115562, 190372)]