21578784

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 61326720

約数和(自身を除く): 39747936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 29, 32, 46, 48, 58, 69, 87, 92, 96, 116, 138, 174, 184, 232, 276, 337, 348, 368, 464, 552, 667, 674, 696, 736, 928, 1011, 1104, 1334, 1348, 1392, 2001, 2022, 2208, 2668, 2696, 2784, 4002, 4044, 5336, 5392, 7751, 8004, 8088, 9773, 10672, 10784, 15502, 16008, 16176, 19546, 21344, 23253, 29319, 31004, 32016, 32352, 39092, 46506, 58638, 62008, 64032, 78184, 93012, 117276, 124016, 156368, 186024, 224779, 234552, 248032, 312736, 372048, 449558, 469104, 674337, 744096, 899116, 938208, 1348674, 1798232, 2697348, 3596464, 5394696, 7192928, 10789392, 21578784]

約数ペア:

[(1, 21578784), (2, 10789392), (3, 7192928), (4, 5394696), (6, 3596464), (8, 2697348), (12, 1798232), (16, 1348674), (23, 938208), (24, 899116), (29, 744096), (32, 674337), (46, 469104), (48, 449558), (58, 372048), (69, 312736), (87, 248032), (92, 234552), (96, 224779), (116, 186024), (138, 156368), (174, 124016), (184, 117276), (232, 93012), (276, 78184), (337, 64032), (348, 62008), (368, 58638), (464, 46506), (552, 39092), (667, 32352), (674, 32016), (696, 31004), (736, 29319), (928, 23253), (1011, 21344), (1104, 19546), (1334, 16176), (1348, 16008), (1392, 15502), (2001, 10784), (2022, 10672), (2208, 9773), (2668, 8088), (2696, 8004), (2784, 7751), (4002, 5392), (4044, 5336)]