21597926672

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:781

約数の個数: 160

約数和(自身を含む): 50396774400

約数和(自身を除く): 28798847728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 83, 112, 124, 149, 166, 217, 248, 298, 332, 434, 496, 503, 581, 596, 664, 868, 1006, 1043, 1162, 1192, 1328, 1736, 2012, 2086, 2324, 2384, 2573, 3472, 3521, 4024, 4172, 4619, 4648, 5146, 7042, 8048, 8344, 9238, 9296, 10292, 12367, 14084, 15593, 16688, 18011, 18476, 20584, 24734, 28168, 31186, 32333, 36022, 36952, 41168, 41749, 49468, 56336, 62372, 64666, 72044, 73904, 74947, 83498, 86569, 98936, 109151, 124744, 129332, 144088, 149894, 166996, 173138, 197872, 218302, 249488, 258664, 288176, 292243, 299788, 333992, 346276, 383377, 436604, 517328, 524629, 584486, 599576, 667984, 692552, 766754, 873208, 1049258, 1168972, 1199152, 1294219, 1385104, 1533508, 1746416, 2098516, 2323357, 2337944, 2588438, 2683639, 3067016, 4197032, 4646714, 4675888, 5176876, 5367278, 6134032, 6220601, 8394064, 9059533, 9293428, 10353752, 10734556, 12441202, 16263499, 18119066, 18586856, 20707504, 21469112, 24882404, 32526998, 36238132, 37173712, 42938224, 43544207, 49764808, 65053996, 72476264, 87088414, 99529616, 130107992, 144952528, 174176828, 192838631, 260215984, 348353656, 385677262, 696707312, 771354524, 1349870417, 1542709048, 2699740834, 3085418096, 5399481668, 10798963336, 21597926672]

約数ペア:

[(1, 21597926672), (2, 10798963336), (4, 5399481668), (7, 3085418096), (8, 2699740834), (14, 1542709048), (16, 1349870417), (28, 771354524), (31, 696707312), (56, 385677262), (62, 348353656), (83, 260215984), (112, 192838631), (124, 174176828), (149, 144952528), (166, 130107992), (217, 99529616), (248, 87088414), (298, 72476264), (332, 65053996), (434, 49764808), (496, 43544207), (503, 42938224), (581, 37173712), (596, 36238132), (664, 32526998), (868, 24882404), (1006, 21469112), (1043, 20707504), (1162, 18586856), (1192, 18119066), (1328, 16263499), (1736, 12441202), (2012, 10734556), (2086, 10353752), (2324, 9293428), (2384, 9059533), (2573, 8394064), (3472, 6220601), (3521, 6134032), (4024, 5367278), (4172, 5176876), (4619, 4675888), (4648, 4646714), (5146, 4197032), (7042, 3067016), (8048, 2683639), (8344, 2588438), (9238, 2337944), (9296, 2323357), (10292, 2098516), (12367, 1746416), (14084, 1533508), (15593, 1385104), (16688, 1294219), (18011, 1199152), (18476, 1168972), (20584, 1049258), (24734, 873208), (28168, 766754), (31186, 692552), (32333, 667984), (36022, 599576), (36952, 584486), (41168, 524629), (41749, 517328), (49468, 436604), (56336, 383377), (62372, 346276), (64666, 333992), (72044, 299788), (73904, 292243), (74947, 288176), (83498, 258664), (86569, 249488), (98936, 218302), (109151, 197872), (124744, 173138), (129332, 166996), (144088, 149894)]