21363471

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 31590000

約数和(自身を除く): 10226529

約数列:

[1, 3, 9, 89, 149, 179, 267, 447, 537, 801, 1341, 1611, 13261, 15931, 26671, 39783, 47793, 80013, 119349, 143379, 240039, 2373719, 7121157, 21363471]

約数ペア:

[(1, 21363471), (3, 7121157), (9, 2373719), (89, 240039), (149, 143379), (179, 119349), (267, 80013), (447, 47793), (537, 39783), (801, 26671), (1341, 15931), (1611, 13261)]