21089208

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 62380800

約数和(自身を除く): 41291592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 79, 84, 98, 147, 158, 168, 196, 227, 237, 294, 316, 392, 454, 474, 553, 588, 632, 681, 908, 948, 1106, 1176, 1362, 1589, 1659, 1816, 1896, 2212, 2724, 3178, 3318, 3871, 4424, 4767, 5448, 6356, 6636, 7742, 9534, 11123, 11613, 12712, 13272, 15484, 17933, 19068, 22246, 23226, 30968, 33369, 35866, 38136, 44492, 46452, 53799, 66738, 71732, 88984, 92904, 107598, 125531, 133476, 143464, 215196, 251062, 266952, 376593, 430392, 502124, 753186, 878717, 1004248, 1506372, 1757434, 2636151, 3012744, 3514868, 5272302, 7029736, 10544604, 21089208]

約数ペア:

[(1, 21089208), (2, 10544604), (3, 7029736), (4, 5272302), (6, 3514868), (7, 3012744), (8, 2636151), (12, 1757434), (14, 1506372), (21, 1004248), (24, 878717), (28, 753186), (42, 502124), (49, 430392), (56, 376593), (79, 266952), (84, 251062), (98, 215196), (147, 143464), (158, 133476), (168, 125531), (196, 107598), (227, 92904), (237, 88984), (294, 71732), (316, 66738), (392, 53799), (454, 46452), (474, 44492), (553, 38136), (588, 35866), (632, 33369), (681, 30968), (908, 23226), (948, 22246), (1106, 19068), (1176, 17933), (1362, 15484), (1589, 13272), (1659, 12712), (1816, 11613), (1896, 11123), (2212, 9534), (2724, 7742), (3178, 6636), (3318, 6356), (3871, 5448), (4424, 4767)]