21746010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 63431424

約数和(自身を除く): 41685414

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 37, 39, 55, 65, 66, 74, 78, 110, 111, 130, 137, 143, 165, 185, 195, 222, 274, 286, 330, 370, 390, 407, 411, 429, 481, 555, 685, 715, 814, 822, 858, 962, 1110, 1221, 1370, 1430, 1443, 1507, 1781, 2035, 2055, 2145, 2405, 2442, 2886, 3014, 3562, 4070, 4110, 4290, 4521, 4810, 5069, 5291, 5343, 6105, 7215, 7535, 8905, 9042, 10138, 10582, 10686, 12210, 14430, 15070, 15207, 15873, 17810, 19591, 22605, 25345, 26455, 26715, 30414, 31746, 39182, 45210, 50690, 52910, 53430, 55759, 58773, 65897, 76035, 79365, 97955, 111518, 117546, 131794, 152070, 158730, 167277, 195910, 197691, 278795, 293865, 329485, 334554, 395382, 557590, 587730, 658970, 724867, 836385, 988455, 1449734, 1672770, 1976910, 2174601, 3624335, 4349202, 7248670, 10873005, 21746010]

約数ペア:

[(1, 21746010), (2, 10873005), (3, 7248670), (5, 4349202), (6, 3624335), (10, 2174601), (11, 1976910), (13, 1672770), (15, 1449734), (22, 988455), (26, 836385), (30, 724867), (33, 658970), (37, 587730), (39, 557590), (55, 395382), (65, 334554), (66, 329485), (74, 293865), (78, 278795), (110, 197691), (111, 195910), (130, 167277), (137, 158730), (143, 152070), (165, 131794), (185, 117546), (195, 111518), (222, 97955), (274, 79365), (286, 76035), (330, 65897), (370, 58773), (390, 55759), (407, 53430), (411, 52910), (429, 50690), (481, 45210), (555, 39182), (685, 31746), (715, 30414), (814, 26715), (822, 26455), (858, 25345), (962, 22605), (1110, 19591), (1221, 17810), (1370, 15873), (1430, 15207), (1443, 15070), (1507, 14430), (1781, 12210), (2035, 10686), (2055, 10582), (2145, 10138), (2405, 9042), (2442, 8905), (2886, 7535), (3014, 7215), (3562, 6105), (4070, 5343), (4110, 5291), (4290, 5069), (4521, 4810)]