21842996

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 23879884

約数列:

[1, 2, 4, 7, 14, 28, 41, 53, 82, 106, 164, 212, 287, 359, 371, 574, 718, 742, 1148, 1436, 1484, 2173, 2513, 4346, 5026, 8692, 10052, 14719, 15211, 19027, 29438, 30422, 38054, 58876, 60844, 76108, 103033, 133189, 206066, 266378, 412132, 532756, 780107, 1560214, 3120428, 5460749, 10921498, 21842996]

約数ペア:

[(1, 21842996), (2, 10921498), (4, 5460749), (7, 3120428), (14, 1560214), (28, 780107), (41, 532756), (53, 412132), (82, 266378), (106, 206066), (164, 133189), (212, 103033), (287, 76108), (359, 60844), (371, 58876), (574, 38054), (718, 30422), (742, 29438), (1148, 19027), (1436, 15211), (1484, 14719), (2173, 10052), (2513, 8692), (4346, 5026)]