21400384

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17599}}^1$

素因数の和:17630

約数の個数: 28

約数和(自身を含む): 44704000

約数和(自身を除く): 23303616

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17599, 35198, 70396, 140792, 281584, 334381, 563168, 668762, 1126336, 1337524, 2675048, 5350096, 10700192, 21400384]

約数ペア:

[(1, 21400384), (2, 10700192), (4, 5350096), (8, 2675048), (16, 1337524), (19, 1126336), (32, 668762), (38, 563168), (64, 334381), (76, 281584), (152, 140792), (304, 70396), (608, 35198), (1216, 17599)]