21539328

素因数分解:

$2^9\times 3^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:437

約数の個数: 80

約数和(自身を含む): 59088480

約数和(自身を除く): 37549152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 256, 296, 379, 384, 444, 512, 592, 758, 768, 888, 1137, 1184, 1516, 1536, 1776, 2274, 2368, 3032, 3552, 4548, 4736, 6064, 7104, 9096, 9472, 12128, 14023, 14208, 18192, 18944, 24256, 28046, 28416, 36384, 42069, 48512, 56092, 56832, 72768, 84138, 97024, 112184, 145536, 168276, 194048, 224368, 291072, 336552, 448736, 582144, 673104, 897472, 1346208, 1794944, 2692416, 3589888, 5384832, 7179776, 10769664, 21539328]

約数ペア:

[(1, 21539328), (2, 10769664), (3, 7179776), (4, 5384832), (6, 3589888), (8, 2692416), (12, 1794944), (16, 1346208), (24, 897472), (32, 673104), (37, 582144), (48, 448736), (64, 336552), (74, 291072), (96, 224368), (111, 194048), (128, 168276), (148, 145536), (192, 112184), (222, 97024), (256, 84138), (296, 72768), (379, 56832), (384, 56092), (444, 48512), (512, 42069), (592, 36384), (758, 28416), (768, 28046), (888, 24256), (1137, 18944), (1184, 18192), (1516, 14208), (1536, 14023), (1776, 12128), (2274, 9472), (2368, 9096), (3032, 7104), (3552, 6064), (4548, 4736)]