21246154920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3106163}}^1$

素因数の和:3106199

約数の個数: 96

約数和(自身を含む): 72684237600

約数和(自身を除く): 51438082680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 3106163, 6212326, 9318489, 12424652, 15530815, 18636978, 24849304, 27955467, 31061630, 37273956, 46592445, 55910934, 59017097, 62123260, 74547912, 93184890, 111821868, 118034194, 124246520, 139777335, 177051291, 186369780, 223643736, 236068388, 279554670, 295085485, 354102582, 372739560, 472136776, 531153873, 559109340, 590170970, 708205164, 885256455, 1062307746, 1118218680, 1180341940, 1416410328, 1770512910, 2124615492, 2360683880, 2655769365, 3541025820, 4249230984, 5311538730, 7082051640, 10623077460, 21246154920]

約数ペア:

[(1, 21246154920), (2, 10623077460), (3, 7082051640), (4, 5311538730), (5, 4249230984), (6, 3541025820), (8, 2655769365), (9, 2360683880), (10, 2124615492), (12, 1770512910), (15, 1416410328), (18, 1180341940), (19, 1118218680), (20, 1062307746), (24, 885256455), (30, 708205164), (36, 590170970), (38, 559109340), (40, 531153873), (45, 472136776), (57, 372739560), (60, 354102582), (72, 295085485), (76, 279554670), (90, 236068388), (95, 223643736), (114, 186369780), (120, 177051291), (152, 139777335), (171, 124246520), (180, 118034194), (190, 111821868), (228, 93184890), (285, 74547912), (342, 62123260), (360, 59017097), (380, 55910934), (456, 46592445), (570, 37273956), (684, 31061630), (760, 27955467), (855, 24849304), (1140, 18636978), (1368, 15530815), (1710, 12424652), (2280, 9318489), (3420, 6212326), (6840, 3106163)]