21611688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 62156160

約数和(自身を除く): 40544472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 197, 394, 591, 653, 788, 1182, 1306, 1379, 1576, 1959, 2364, 2612, 2758, 3918, 4137, 4571, 4728, 5224, 5516, 7836, 8274, 9142, 11032, 13713, 15672, 16548, 18284, 27426, 33096, 36568, 54852, 109704, 128641, 257282, 385923, 514564, 771846, 900487, 1029128, 1543692, 1800974, 2701461, 3087384, 3601948, 5402922, 7203896, 10805844, 21611688]

約数ペア:

[(1, 21611688), (2, 10805844), (3, 7203896), (4, 5402922), (6, 3601948), (7, 3087384), (8, 2701461), (12, 1800974), (14, 1543692), (21, 1029128), (24, 900487), (28, 771846), (42, 514564), (56, 385923), (84, 257282), (168, 128641), (197, 109704), (394, 54852), (591, 36568), (653, 33096), (788, 27426), (1182, 18284), (1306, 16548), (1379, 15672), (1576, 13713), (1959, 11032), (2364, 9142), (2612, 8274), (2758, 7836), (3918, 5516), (4137, 5224), (4571, 4728)]