21196416

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^2\times {\mathrm{191}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 60122880

約数和(自身を除く): 38926464

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 191, 192, 204, 272, 289, 382, 384, 408, 544, 573, 578, 764, 816, 867, 1088, 1146, 1156, 1528, 1632, 1734, 2176, 2292, 2312, 3056, 3247, 3264, 3468, 4584, 4624, 6112, 6494, 6528, 6936, 9168, 9248, 9741, 12224, 12988, 13872, 18336, 18496, 19482, 24448, 25976, 27744, 36672, 36992, 38964, 51952, 55199, 55488, 73344, 77928, 103904, 110398, 110976, 155856, 165597, 207808, 220796, 311712, 331194, 415616, 441592, 623424, 662388, 883184, 1246848, 1324776, 1766368, 2649552, 3532736, 5299104, 7065472, 10598208, 21196416]

約数ペア:

[(1, 21196416), (2, 10598208), (3, 7065472), (4, 5299104), (6, 3532736), (8, 2649552), (12, 1766368), (16, 1324776), (17, 1246848), (24, 883184), (32, 662388), (34, 623424), (48, 441592), (51, 415616), (64, 331194), (68, 311712), (96, 220796), (102, 207808), (128, 165597), (136, 155856), (191, 110976), (192, 110398), (204, 103904), (272, 77928), (289, 73344), (382, 55488), (384, 55199), (408, 51952), (544, 38964), (573, 36992), (578, 36672), (764, 27744), (816, 25976), (867, 24448), (1088, 19482), (1146, 18496), (1156, 18336), (1528, 13872), (1632, 12988), (1734, 12224), (2176, 9741), (2292, 9248), (2312, 9168), (3056, 6936), (3247, 6528), (3264, 6494), (3468, 6112), (4584, 4624)]