21459516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{911}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 54340608

約数和(自身を除く): 32881092

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 151, 156, 302, 453, 604, 906, 911, 1812, 1822, 1963, 2733, 3644, 3926, 5466, 5889, 7852, 10932, 11778, 11843, 23556, 23686, 35529, 47372, 71058, 137561, 142116, 275122, 412683, 550244, 825366, 1650732, 1788293, 3576586, 5364879, 7153172, 10729758, 21459516]

約数ペア:

[(1, 21459516), (2, 10729758), (3, 7153172), (4, 5364879), (6, 3576586), (12, 1788293), (13, 1650732), (26, 825366), (39, 550244), (52, 412683), (78, 275122), (151, 142116), (156, 137561), (302, 71058), (453, 47372), (604, 35529), (906, 23686), (911, 23556), (1812, 11843), (1822, 11778), (1963, 10932), (2733, 7852), (3644, 5889), (3926, 5466)]