21881050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 43390080

約数和(自身を除く): 21509030

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 53, 106, 115, 230, 265, 359, 530, 575, 718, 1150, 1219, 1325, 1795, 2438, 2650, 3590, 6095, 8257, 8975, 12190, 16514, 17950, 19027, 30475, 38054, 41285, 60950, 82570, 95135, 190270, 206425, 412850, 437621, 475675, 875242, 951350, 2188105, 4376210, 10940525, 21881050]

約数ペア:

[(1, 21881050), (2, 10940525), (5, 4376210), (10, 2188105), (23, 951350), (25, 875242), (46, 475675), (50, 437621), (53, 412850), (106, 206425), (115, 190270), (230, 95135), (265, 82570), (359, 60950), (530, 41285), (575, 38054), (718, 30475), (1150, 19027), (1219, 17950), (1325, 16514), (1795, 12190), (2438, 8975), (2650, 8257), (3590, 6095)]