21591696

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 64281600

約数和(自身を除く): 42689904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 179, 336, 358, 359, 537, 716, 718, 1074, 1077, 1253, 1432, 1436, 2148, 2154, 2506, 2513, 2864, 2872, 3759, 4296, 4308, 5012, 5026, 5744, 7518, 7539, 8592, 8616, 10024, 10052, 15036, 15078, 17232, 20048, 20104, 30072, 30156, 40208, 60144, 60312, 64261, 120624, 128522, 192783, 257044, 385566, 449827, 514088, 771132, 899654, 1028176, 1349481, 1542264, 1799308, 2698962, 3084528, 3598616, 5397924, 7197232, 10795848, 21591696]

約数ペア:

[(1, 21591696), (2, 10795848), (3, 7197232), (4, 5397924), (6, 3598616), (7, 3084528), (8, 2698962), (12, 1799308), (14, 1542264), (16, 1349481), (21, 1028176), (24, 899654), (28, 771132), (42, 514088), (48, 449827), (56, 385566), (84, 257044), (112, 192783), (168, 128522), (179, 120624), (336, 64261), (358, 60312), (359, 60144), (537, 40208), (716, 30156), (718, 30072), (1074, 20104), (1077, 20048), (1253, 17232), (1432, 15078), (1436, 15036), (2148, 10052), (2154, 10024), (2506, 8616), (2513, 8592), (2864, 7539), (2872, 7518), (3759, 5744), (4296, 5026), (4308, 5012)]