21821946368

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{23431}}^1$

素因数の和:23573

約数の個数: 80

約数和(自身を含む): 46599499584

約数和(自身を除く): 24777553216

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 107, 128, 136, 214, 256, 272, 428, 512, 544, 856, 1088, 1712, 1819, 2176, 3424, 3638, 4352, 6848, 7276, 8704, 13696, 14552, 23431, 27392, 29104, 46862, 54784, 58208, 93724, 116416, 187448, 232832, 374896, 398327, 465664, 749792, 796654, 931328, 1499584, 1593308, 2507117, 2999168, 3186616, 5014234, 5998336, 6373232, 10028468, 11996672, 12746464, 20056936, 25492928, 40113872, 42620989, 50985856, 80227744, 85241978, 101971712, 160455488, 170483956, 203943424, 320910976, 340967912, 641821952, 681935824, 1283643904, 1363871648, 2727743296, 5455486592, 10910973184, 21821946368]

約数ペア:

[(1, 21821946368), (2, 10910973184), (4, 5455486592), (8, 2727743296), (16, 1363871648), (17, 1283643904), (32, 681935824), (34, 641821952), (64, 340967912), (68, 320910976), (107, 203943424), (128, 170483956), (136, 160455488), (214, 101971712), (256, 85241978), (272, 80227744), (428, 50985856), (512, 42620989), (544, 40113872), (856, 25492928), (1088, 20056936), (1712, 12746464), (1819, 11996672), (2176, 10028468), (3424, 6373232), (3638, 5998336), (4352, 5014234), (6848, 3186616), (7276, 2999168), (8704, 2507117), (13696, 1593308), (14552, 1499584), (23431, 931328), (27392, 796654), (29104, 749792), (46862, 465664), (54784, 398327), (58208, 374896), (93724, 232832), (116416, 187448)]