21519456

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1033}}^1$

素因数の和:1084

約数の個数: 96

約数和(自身を含む): 66705408

約数和(自身を除く): 45185952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 84, 93, 96, 112, 124, 168, 186, 217, 224, 248, 336, 372, 434, 496, 651, 672, 744, 868, 992, 1033, 1302, 1488, 1736, 2066, 2604, 2976, 3099, 3472, 4132, 5208, 6198, 6944, 7231, 8264, 10416, 12396, 14462, 16528, 20832, 21693, 24792, 28924, 32023, 33056, 43386, 49584, 57848, 64046, 86772, 96069, 99168, 115696, 128092, 173544, 192138, 224161, 231392, 256184, 347088, 384276, 448322, 512368, 672483, 694176, 768552, 896644, 1024736, 1344966, 1537104, 1793288, 2689932, 3074208, 3586576, 5379864, 7173152, 10759728, 21519456]

約数ペア:

[(1, 21519456), (2, 10759728), (3, 7173152), (4, 5379864), (6, 3586576), (7, 3074208), (8, 2689932), (12, 1793288), (14, 1537104), (16, 1344966), (21, 1024736), (24, 896644), (28, 768552), (31, 694176), (32, 672483), (42, 512368), (48, 448322), (56, 384276), (62, 347088), (84, 256184), (93, 231392), (96, 224161), (112, 192138), (124, 173544), (168, 128092), (186, 115696), (217, 99168), (224, 96069), (248, 86772), (336, 64046), (372, 57848), (434, 49584), (496, 43386), (651, 33056), (672, 32023), (744, 28924), (868, 24792), (992, 21693), (1033, 20832), (1302, 16528), (1488, 14462), (1736, 12396), (2066, 10416), (2604, 8264), (2976, 7231), (3099, 6944), (3472, 6198), (4132, 5208)]