21940632

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{691}}^1$

素因数の和:723

約数の個数: 120

約数和(自身を含む): 71590860

約数和(自身を除く): 49650228

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 81, 84, 98, 108, 126, 147, 162, 168, 189, 196, 216, 252, 294, 324, 378, 392, 441, 504, 567, 588, 648, 691, 756, 882, 1134, 1176, 1323, 1382, 1512, 1764, 2073, 2268, 2646, 2764, 3528, 3969, 4146, 4536, 4837, 5292, 5528, 6219, 7938, 8292, 9674, 10584, 12438, 14511, 15876, 16584, 18657, 19348, 24876, 29022, 31752, 33859, 37314, 38696, 43533, 49752, 55971, 58044, 67718, 74628, 87066, 101577, 111942, 116088, 130599, 135436, 149256, 174132, 203154, 223884, 261198, 270872, 304731, 348264, 391797, 406308, 447768, 522396, 609462, 783594, 812616, 914193, 1044792, 1218924, 1567188, 1828386, 2437848, 2742579, 3134376, 3656772, 5485158, 7313544, 10970316, 21940632]

約数ペア:

[(1, 21940632), (2, 10970316), (3, 7313544), (4, 5485158), (6, 3656772), (7, 3134376), (8, 2742579), (9, 2437848), (12, 1828386), (14, 1567188), (18, 1218924), (21, 1044792), (24, 914193), (27, 812616), (28, 783594), (36, 609462), (42, 522396), (49, 447768), (54, 406308), (56, 391797), (63, 348264), (72, 304731), (81, 270872), (84, 261198), (98, 223884), (108, 203154), (126, 174132), (147, 149256), (162, 135436), (168, 130599), (189, 116088), (196, 111942), (216, 101577), (252, 87066), (294, 74628), (324, 67718), (378, 58044), (392, 55971), (441, 49752), (504, 43533), (567, 38696), (588, 37314), (648, 33859), (691, 31752), (756, 29022), (882, 24876), (1134, 19348), (1176, 18657), (1323, 16584), (1382, 15876), (1512, 14511), (1764, 12438), (2073, 10584), (2268, 9674), (2646, 8292), (2764, 7938), (3528, 6219), (3969, 5528), (4146, 5292), (4536, 4837)]