21703472

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 54282240

約数和(自身を除く): 32578768

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 47, 49, 56, 62, 76, 94, 98, 112, 124, 133, 152, 188, 196, 217, 248, 266, 304, 329, 376, 392, 434, 496, 532, 589, 658, 752, 784, 868, 893, 931, 1064, 1178, 1316, 1457, 1519, 1736, 1786, 1862, 2128, 2303, 2356, 2632, 2914, 3038, 3472, 3572, 3724, 4123, 4606, 4712, 5264, 5828, 6076, 6251, 7144, 7448, 8246, 9212, 9424, 10199, 11656, 12152, 12502, 14288, 14896, 16492, 18424, 20398, 23312, 24304, 25004, 27683, 28861, 32984, 36848, 40796, 43757, 50008, 55366, 57722, 65968, 71393, 81592, 87514, 100016, 110732, 115444, 142786, 163184, 175028, 193781, 221464, 230888, 285572, 350056, 387562, 442928, 461776, 571144, 700112, 775124, 1142288, 1356467, 1550248, 2712934, 3100496, 5425868, 10851736, 21703472]

約数ペア:

[(1, 21703472), (2, 10851736), (4, 5425868), (7, 3100496), (8, 2712934), (14, 1550248), (16, 1356467), (19, 1142288), (28, 775124), (31, 700112), (38, 571144), (47, 461776), (49, 442928), (56, 387562), (62, 350056), (76, 285572), (94, 230888), (98, 221464), (112, 193781), (124, 175028), (133, 163184), (152, 142786), (188, 115444), (196, 110732), (217, 100016), (248, 87514), (266, 81592), (304, 71393), (329, 65968), (376, 57722), (392, 55366), (434, 50008), (496, 43757), (532, 40796), (589, 36848), (658, 32984), (752, 28861), (784, 27683), (868, 25004), (893, 24304), (931, 23312), (1064, 20398), (1178, 18424), (1316, 16492), (1457, 14896), (1519, 14288), (1736, 12502), (1786, 12152), (1862, 11656), (2128, 10199), (2303, 9424), (2356, 9212), (2632, 8246), (2914, 7448), (3038, 7144), (3472, 6251), (3572, 6076), (3724, 5828), (4123, 5264), (4606, 4712)]