21248256

素因数分解:

$2^8\times 3^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 57477280

約数和(自身を除く): 36229024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 73, 96, 128, 146, 192, 219, 256, 292, 379, 384, 438, 584, 758, 768, 876, 1137, 1168, 1516, 1752, 2274, 2336, 3032, 3504, 4548, 4672, 6064, 7008, 9096, 9344, 12128, 14016, 18192, 18688, 24256, 27667, 28032, 36384, 48512, 55334, 56064, 72768, 83001, 97024, 110668, 145536, 166002, 221336, 291072, 332004, 442672, 664008, 885344, 1328016, 1770688, 2656032, 3541376, 5312064, 7082752, 10624128, 21248256]

約数ペア:

[(1, 21248256), (2, 10624128), (3, 7082752), (4, 5312064), (6, 3541376), (8, 2656032), (12, 1770688), (16, 1328016), (24, 885344), (32, 664008), (48, 442672), (64, 332004), (73, 291072), (96, 221336), (128, 166002), (146, 145536), (192, 110668), (219, 97024), (256, 83001), (292, 72768), (379, 56064), (384, 55334), (438, 48512), (584, 36384), (758, 28032), (768, 27667), (876, 24256), (1137, 18688), (1168, 18192), (1516, 14016), (1752, 12128), (2274, 9344), (2336, 9096), (3032, 7008), (3504, 6064), (4548, 4672)]