21798320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{14341}}^1$

素因数の和:14373

約数の個数: 40

約数和(自身を含む): 53352240

約数和(自身を除く): 31553920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 14341, 28682, 57364, 71705, 114728, 143410, 229456, 272479, 286820, 544958, 573640, 1089916, 1147280, 1362395, 2179832, 2724790, 4359664, 5449580, 10899160, 21798320]

約数ペア:

[(1, 21798320), (2, 10899160), (4, 5449580), (5, 4359664), (8, 2724790), (10, 2179832), (16, 1362395), (19, 1147280), (20, 1089916), (38, 573640), (40, 544958), (76, 286820), (80, 272479), (95, 229456), (152, 143410), (190, 114728), (304, 71705), (380, 57364), (760, 28682), (1520, 14341)]