21484918

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1217}}^1$

素因数の和:1336

約数の個数: 32

約数和(自身を含む): 40106304

約数和(自身を除く): 18621386

約数列:

[1, 2, 7, 13, 14, 26, 91, 97, 182, 194, 679, 1217, 1261, 1358, 2434, 2522, 8519, 8827, 15821, 17038, 17654, 31642, 110747, 118049, 221494, 236098, 826343, 1534637, 1652686, 3069274, 10742459, 21484918]

約数ペア:

[(1, 21484918), (2, 10742459), (7, 3069274), (13, 1652686), (14, 1534637), (26, 826343), (91, 236098), (97, 221494), (182, 118049), (194, 110747), (679, 31642), (1217, 17654), (1261, 17038), (1358, 15821), (2434, 8827), (2522, 8519)]