21730920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3853}}^1$

素因数の和:3914

約数の個数: 64

約数和(自身を含む): 66597120

約数和(自身を除く): 44866200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3853, 5640, 7706, 11559, 15412, 19265, 23118, 30824, 38530, 46236, 57795, 77060, 92472, 115590, 154120, 181091, 231180, 362182, 462360, 543273, 724364, 905455, 1086546, 1448728, 1810910, 2173092, 2716365, 3621820, 4346184, 5432730, 7243640, 10865460, 21730920]

約数ペア:

[(1, 21730920), (2, 10865460), (3, 7243640), (4, 5432730), (5, 4346184), (6, 3621820), (8, 2716365), (10, 2173092), (12, 1810910), (15, 1448728), (20, 1086546), (24, 905455), (30, 724364), (40, 543273), (47, 462360), (60, 362182), (94, 231180), (120, 181091), (141, 154120), (188, 115590), (235, 92472), (282, 77060), (376, 57795), (470, 46236), (564, 38530), (705, 30824), (940, 23118), (1128, 19265), (1410, 15412), (1880, 11559), (2820, 7706), (3853, 5640)]