21608730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 192

約数和(自身を含む): 69818112

約数和(自身を除く): 48209382

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 23, 26, 30, 33, 39, 45, 46, 55, 65, 66, 69, 73, 78, 90, 99, 110, 115, 117, 130, 138, 143, 146, 165, 195, 198, 207, 219, 230, 234, 253, 286, 299, 330, 345, 365, 390, 414, 429, 438, 495, 506, 585, 598, 657, 690, 715, 730, 759, 803, 858, 897, 949, 990, 1035, 1095, 1170, 1265, 1287, 1314, 1430, 1495, 1518, 1606, 1679, 1794, 1898, 2070, 2145, 2190, 2277, 2409, 2530, 2574, 2691, 2847, 2990, 3285, 3289, 3358, 3795, 4015, 4290, 4485, 4554, 4745, 4818, 5037, 5382, 5694, 6435, 6570, 6578, 7227, 7590, 8030, 8395, 8541, 8970, 9490, 9867, 10074, 10439, 11385, 12045, 12870, 13455, 14235, 14454, 15111, 16445, 16790, 17082, 18469, 19734, 20878, 21827, 22770, 24090, 25185, 26910, 28470, 29601, 30222, 31317, 32890, 36135, 36938, 42705, 43654, 49335, 50370, 52195, 55407, 59202, 62634, 65481, 72270, 75555, 85410, 92345, 93951, 98670, 104390, 109135, 110814, 130962, 148005, 151110, 156585, 166221, 184690, 187902, 196443, 218270, 240097, 277035, 296010, 313170, 327405, 332442, 392886, 469755, 480194, 554070, 654810, 720291, 831105, 939510, 982215, 1200485, 1440582, 1662210, 1964430, 2160873, 2400970, 3601455, 4321746, 7202910, 10804365, 21608730]

約数ペア:

[(1, 21608730), (2, 10804365), (3, 7202910), (5, 4321746), (6, 3601455), (9, 2400970), (10, 2160873), (11, 1964430), (13, 1662210), (15, 1440582), (18, 1200485), (22, 982215), (23, 939510), (26, 831105), (30, 720291), (33, 654810), (39, 554070), (45, 480194), (46, 469755), (55, 392886), (65, 332442), (66, 327405), (69, 313170), (73, 296010), (78, 277035), (90, 240097), (99, 218270), (110, 196443), (115, 187902), (117, 184690), (130, 166221), (138, 156585), (143, 151110), (146, 148005), (165, 130962), (195, 110814), (198, 109135), (207, 104390), (219, 98670), (230, 93951), (234, 92345), (253, 85410), (286, 75555), (299, 72270), (330, 65481), (345, 62634), (365, 59202), (390, 55407), (414, 52195), (429, 50370), (438, 49335), (495, 43654), (506, 42705), (585, 36938), (598, 36135), (657, 32890), (690, 31317), (715, 30222), (730, 29601), (759, 28470), (803, 26910), (858, 25185), (897, 24090), (949, 22770), (990, 21827), (1035, 20878), (1095, 19734), (1170, 18469), (1265, 17082), (1287, 16790), (1314, 16445), (1430, 15111), (1495, 14454), (1518, 14235), (1606, 13455), (1679, 12870), (1794, 12045), (1898, 11385), (2070, 10439), (2145, 10074), (2190, 9867), (2277, 9490), (2409, 8970), (2530, 8541), (2574, 8395), (2691, 8030), (2847, 7590), (2990, 7227), (3285, 6578), (3289, 6570), (3358, 6435), (3795, 5694), (4015, 5382), (4290, 5037), (4485, 4818), (4554, 4745)]