21959448

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 65007360

約数和(自身を除く): 43047912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 71, 84, 98, 142, 147, 168, 196, 213, 263, 284, 294, 392, 426, 497, 526, 568, 588, 789, 852, 994, 1052, 1176, 1491, 1578, 1704, 1841, 1988, 2104, 2982, 3156, 3479, 3682, 3976, 5523, 5964, 6312, 6958, 7364, 10437, 11046, 11928, 12887, 13916, 14728, 18673, 20874, 22092, 25774, 27832, 37346, 38661, 41748, 44184, 51548, 56019, 74692, 77322, 83496, 103096, 112038, 130711, 149384, 154644, 224076, 261422, 309288, 392133, 448152, 522844, 784266, 914977, 1045688, 1568532, 1829954, 2744931, 3137064, 3659908, 5489862, 7319816, 10979724, 21959448]

約数ペア:

[(1, 21959448), (2, 10979724), (3, 7319816), (4, 5489862), (6, 3659908), (7, 3137064), (8, 2744931), (12, 1829954), (14, 1568532), (21, 1045688), (24, 914977), (28, 784266), (42, 522844), (49, 448152), (56, 392133), (71, 309288), (84, 261422), (98, 224076), (142, 154644), (147, 149384), (168, 130711), (196, 112038), (213, 103096), (263, 83496), (284, 77322), (294, 74692), (392, 56019), (426, 51548), (497, 44184), (526, 41748), (568, 38661), (588, 37346), (789, 27832), (852, 25774), (994, 22092), (1052, 20874), (1176, 18673), (1491, 14728), (1578, 13916), (1704, 12887), (1841, 11928), (1988, 11046), (2104, 10437), (2982, 7364), (3156, 6958), (3479, 6312), (3682, 5964), (3976, 5523)]