21040614592

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1\times {\mathrm{443}}^1$

素因数の和:894

約数の個数: 112

約数和(自身を含む): 44523964800

約数和(自身を除く): 23483350208

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 139, 152, 278, 281, 304, 443, 556, 562, 608, 886, 1112, 1124, 1216, 1772, 2224, 2248, 2641, 3544, 4448, 4496, 5282, 5339, 7088, 8417, 8896, 8992, 10564, 10678, 14176, 16834, 17984, 21128, 21356, 28352, 33668, 39059, 42256, 42712, 61577, 67336, 78118, 84512, 85424, 123154, 124483, 134672, 156236, 169024, 170848, 246308, 248966, 269344, 312472, 341696, 492616, 497932, 538688, 624944, 742121, 985232, 995864, 1169963, 1249888, 1484242, 1970464, 1991728, 2339926, 2365177, 2499776, 2968484, 3940928, 3983456, 4679852, 4730354, 5936968, 7966912, 9359704, 9460708, 11873936, 17303137, 18719408, 18921416, 23747872, 34606274, 37438816, 37842832, 47495744, 69212548, 74877632, 75685664, 138425096, 151371328, 276850192, 328759603, 553700384, 657519206, 1107400768, 1315038412, 2630076824, 5260153648, 10520307296, 21040614592]

約数ペア:

[(1, 21040614592), (2, 10520307296), (4, 5260153648), (8, 2630076824), (16, 1315038412), (19, 1107400768), (32, 657519206), (38, 553700384), (64, 328759603), (76, 276850192), (139, 151371328), (152, 138425096), (278, 75685664), (281, 74877632), (304, 69212548), (443, 47495744), (556, 37842832), (562, 37438816), (608, 34606274), (886, 23747872), (1112, 18921416), (1124, 18719408), (1216, 17303137), (1772, 11873936), (2224, 9460708), (2248, 9359704), (2641, 7966912), (3544, 5936968), (4448, 4730354), (4496, 4679852), (5282, 3983456), (5339, 3940928), (7088, 2968484), (8417, 2499776), (8896, 2365177), (8992, 2339926), (10564, 1991728), (10678, 1970464), (14176, 1484242), (16834, 1249888), (17984, 1169963), (21128, 995864), (21356, 985232), (28352, 742121), (33668, 624944), (39059, 538688), (42256, 497932), (42712, 492616), (61577, 341696), (67336, 312472), (78118, 269344), (84512, 248966), (85424, 246308), (123154, 170848), (124483, 169024), (134672, 156236)]