21621678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6761}}^1$

素因数の和:6820

約数の個数: 32

約数和(自身を含む): 47712672

約数和(自身を除く): 26090994

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 6761, 13522, 20283, 40566, 87893, 175786, 263679, 277201, 527358, 554402, 831603, 1663206, 3603613, 7207226, 10810839, 21621678]

約数ペア:

[(1, 21621678), (2, 10810839), (3, 7207226), (6, 3603613), (13, 1663206), (26, 831603), (39, 554402), (41, 527358), (78, 277201), (82, 263679), (123, 175786), (246, 87893), (533, 40566), (1066, 20283), (1599, 13522), (3198, 6761)]