21118214912

素因数分解:

$2^8\times {\mathrm{17}}^2\times {\mathrm{397}}^1\times {\mathrm{719}}^1$

素因数の和:1166

約数の個数: 108

約数和(自身を含む): 44954673120

約数和(自身を除く): 23836458208

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 289, 397, 544, 578, 719, 794, 1088, 1156, 1438, 1588, 2176, 2312, 2876, 3176, 4352, 4624, 5752, 6352, 6749, 9248, 11504, 12223, 12704, 13498, 18496, 23008, 24446, 25408, 26996, 36992, 46016, 48892, 50816, 53992, 73984, 92032, 97784, 101632, 107984, 114733, 184064, 195568, 207791, 215968, 229466, 285443, 391136, 415582, 431936, 458932, 570886, 782272, 831164, 863872, 917864, 1141772, 1564544, 1662328, 1727744, 1835728, 2283544, 3129088, 3324656, 3671456, 4567088, 4852531, 6649312, 7342912, 9134176, 9705062, 13298624, 14685824, 18268352, 19410124, 26597248, 29371648, 36536704, 38820248, 53194496, 73073408, 77640496, 82493027, 155280992, 164986054, 310561984, 329972108, 621123968, 659944216, 1242247936, 1319888432, 2639776864, 5279553728, 10559107456, 21118214912]

約数ペア:

[(1, 21118214912), (2, 10559107456), (4, 5279553728), (8, 2639776864), (16, 1319888432), (17, 1242247936), (32, 659944216), (34, 621123968), (64, 329972108), (68, 310561984), (128, 164986054), (136, 155280992), (256, 82493027), (272, 77640496), (289, 73073408), (397, 53194496), (544, 38820248), (578, 36536704), (719, 29371648), (794, 26597248), (1088, 19410124), (1156, 18268352), (1438, 14685824), (1588, 13298624), (2176, 9705062), (2312, 9134176), (2876, 7342912), (3176, 6649312), (4352, 4852531), (4624, 4567088), (5752, 3671456), (6352, 3324656), (6749, 3129088), (9248, 2283544), (11504, 1835728), (12223, 1727744), (12704, 1662328), (13498, 1564544), (18496, 1141772), (23008, 917864), (24446, 863872), (25408, 831164), (26996, 782272), (36992, 570886), (46016, 458932), (48892, 431936), (50816, 415582), (53992, 391136), (73984, 285443), (92032, 229466), (97784, 215968), (101632, 207791), (107984, 195568), (114733, 184064)]