21327918

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3067}}^1$

素因数の和:3152

約数の個数: 32

約数和(自身を含む): 45651840

約数和(自身を除く): 24323922

約数列:

[1, 2, 3, 6, 19, 38, 57, 61, 114, 122, 183, 366, 1159, 2318, 3067, 3477, 6134, 6954, 9201, 18402, 58273, 116546, 174819, 187087, 349638, 374174, 561261, 1122522, 3554653, 7109306, 10663959, 21327918]

約数ペア:

[(1, 21327918), (2, 10663959), (3, 7109306), (6, 3554653), (19, 1122522), (38, 561261), (57, 374174), (61, 349638), (114, 187087), (122, 174819), (183, 116546), (366, 58273), (1159, 18402), (2318, 9201), (3067, 6954), (3477, 6134)]