21166496

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 49342608

約数和(自身を除く): 28176112

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 41, 52, 68, 73, 82, 104, 136, 146, 164, 208, 221, 272, 292, 328, 416, 442, 533, 544, 584, 656, 697, 884, 949, 1066, 1168, 1241, 1312, 1394, 1768, 1898, 2132, 2336, 2482, 2788, 2993, 3536, 3796, 4264, 4964, 5576, 5986, 7072, 7592, 8528, 9061, 9928, 11152, 11972, 15184, 16133, 17056, 18122, 19856, 22304, 23944, 30368, 32266, 36244, 38909, 39712, 47888, 50881, 64532, 72488, 77818, 95776, 101762, 129064, 144976, 155636, 203524, 258128, 289952, 311272, 407048, 516256, 622544, 661453, 814096, 1245088, 1322906, 1628192, 2645812, 5291624, 10583248, 21166496]

約数ペア:

[(1, 21166496), (2, 10583248), (4, 5291624), (8, 2645812), (13, 1628192), (16, 1322906), (17, 1245088), (26, 814096), (32, 661453), (34, 622544), (41, 516256), (52, 407048), (68, 311272), (73, 289952), (82, 258128), (104, 203524), (136, 155636), (146, 144976), (164, 129064), (208, 101762), (221, 95776), (272, 77818), (292, 72488), (328, 64532), (416, 50881), (442, 47888), (533, 39712), (544, 38909), (584, 36244), (656, 32266), (697, 30368), (884, 23944), (949, 22304), (1066, 19856), (1168, 18122), (1241, 17056), (1312, 16133), (1394, 15184), (1768, 11972), (1898, 11152), (2132, 9928), (2336, 9061), (2482, 8528), (2788, 7592), (2993, 7072), (3536, 5986), (3796, 5576), (4264, 4964)]