21414272

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 47442240

約数和(自身を除く): 26027968

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 67, 88, 128, 134, 176, 227, 268, 352, 454, 536, 704, 737, 908, 1072, 1408, 1474, 1816, 2144, 2497, 2948, 3632, 4288, 4994, 5896, 7264, 8576, 9988, 11792, 14528, 15209, 19976, 23584, 29056, 30418, 39952, 47168, 60836, 79904, 94336, 121672, 159808, 167299, 243344, 319616, 334598, 486688, 669196, 973376, 1338392, 1946752, 2676784, 5353568, 10707136, 21414272]

約数ペア:

[(1, 21414272), (2, 10707136), (4, 5353568), (8, 2676784), (11, 1946752), (16, 1338392), (22, 973376), (32, 669196), (44, 486688), (64, 334598), (67, 319616), (88, 243344), (128, 167299), (134, 159808), (176, 121672), (227, 94336), (268, 79904), (352, 60836), (454, 47168), (536, 39952), (704, 30418), (737, 29056), (908, 23584), (1072, 19976), (1408, 15209), (1474, 14528), (1816, 11792), (2144, 9988), (2497, 8576), (2948, 7264), (3632, 5896), (4288, 4994)]