21962290

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 48672000

約数和(自身を除く): 26709710

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 337, 343, 490, 665, 674, 686, 931, 1330, 1685, 1715, 1862, 2359, 3370, 3430, 4655, 4718, 6403, 6517, 9310, 11795, 12806, 13034, 16513, 23590, 32015, 32585, 33026, 44821, 64030, 65170, 82565, 89642, 115591, 165130, 224105, 231182, 313747, 448210, 577955, 627494, 1155910, 1568735, 2196229, 3137470, 4392458, 10981145, 21962290]

約数ペア:

[(1, 21962290), (2, 10981145), (5, 4392458), (7, 3137470), (10, 2196229), (14, 1568735), (19, 1155910), (35, 627494), (38, 577955), (49, 448210), (70, 313747), (95, 231182), (98, 224105), (133, 165130), (190, 115591), (245, 89642), (266, 82565), (337, 65170), (343, 64030), (490, 44821), (665, 33026), (674, 32585), (686, 32015), (931, 23590), (1330, 16513), (1685, 13034), (1715, 12806), (1862, 11795), (2359, 9310), (3370, 6517), (3430, 6403), (4655, 4718)]