21467175

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 38167200

約数和(自身を除く): 16700025

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 113, 149, 255, 339, 425, 447, 565, 745, 1275, 1695, 1921, 2235, 2533, 2825, 3725, 5763, 7599, 8475, 9605, 11175, 12665, 16837, 28815, 37995, 48025, 50511, 63325, 84185, 144075, 189975, 252555, 286229, 420925, 858687, 1262775, 1431145, 4293435, 7155725, 21467175]

約数ペア:

[(1, 21467175), (3, 7155725), (5, 4293435), (15, 1431145), (17, 1262775), (25, 858687), (51, 420925), (75, 286229), (85, 252555), (113, 189975), (149, 144075), (255, 84185), (339, 63325), (425, 50511), (447, 48025), (565, 37995), (745, 28815), (1275, 16837), (1695, 12665), (1921, 11175), (2235, 9605), (2533, 8475), (2825, 7599), (3725, 5763)]