21040544

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 29762656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 41, 56, 58, 79, 82, 112, 116, 158, 164, 203, 224, 232, 287, 316, 328, 406, 464, 553, 574, 632, 656, 812, 928, 1106, 1148, 1189, 1264, 1312, 1624, 2212, 2291, 2296, 2378, 2528, 3239, 3248, 4424, 4582, 4592, 4756, 6478, 6496, 8323, 8848, 9164, 9184, 9512, 12956, 16037, 16646, 17696, 18328, 19024, 22673, 25912, 32074, 33292, 36656, 38048, 45346, 51824, 64148, 66584, 73312, 90692, 93931, 103648, 128296, 133168, 181384, 187862, 256592, 266336, 362768, 375724, 513184, 657517, 725536, 751448, 1315034, 1502896, 2630068, 3005792, 5260136, 10520272, 21040544]

約数ペア:

[(1, 21040544), (2, 10520272), (4, 5260136), (7, 3005792), (8, 2630068), (14, 1502896), (16, 1315034), (28, 751448), (29, 725536), (32, 657517), (41, 513184), (56, 375724), (58, 362768), (79, 266336), (82, 256592), (112, 187862), (116, 181384), (158, 133168), (164, 128296), (203, 103648), (224, 93931), (232, 90692), (287, 73312), (316, 66584), (328, 64148), (406, 51824), (464, 45346), (553, 38048), (574, 36656), (632, 33292), (656, 32074), (812, 25912), (928, 22673), (1106, 19024), (1148, 18328), (1189, 17696), (1264, 16646), (1312, 16037), (1624, 12956), (2212, 9512), (2291, 9184), (2296, 9164), (2378, 8848), (2528, 8323), (3239, 6496), (3248, 6478), (4424, 4756), (4582, 4592)]