21712136

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1721}}^1$

素因数の和:1829

約数の個数: 32

約数和(自身を含む): 43394400

約数和(自身を除く): 21682264

約数列:

[1, 2, 4, 8, 19, 38, 76, 83, 152, 166, 332, 664, 1577, 1721, 3154, 3442, 6308, 6884, 12616, 13768, 32699, 65398, 130796, 142843, 261592, 285686, 571372, 1142744, 2714017, 5428034, 10856068, 21712136]

約数ペア:

[(1, 21712136), (2, 10856068), (4, 5428034), (8, 2714017), (19, 1142744), (38, 571372), (76, 285686), (83, 261592), (152, 142843), (166, 130796), (332, 65398), (664, 32699), (1577, 13768), (1721, 12616), (3154, 6884), (3442, 6308)]