21812448

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4637}}^1$

素因数の和:4664

約数の個数: 72

約数和(自身を含む): 66620232

約数和(自身を除く): 44807784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4637, 4704, 9274, 13911, 18548, 27822, 32459, 37096, 55644, 64918, 74192, 97377, 111288, 129836, 148384, 194754, 222576, 227213, 259672, 389508, 445152, 454426, 519344, 681639, 779016, 908852, 1038688, 1363278, 1558032, 1817704, 2726556, 3116064, 3635408, 5453112, 7270816, 10906224, 21812448]

約数ペア:

[(1, 21812448), (2, 10906224), (3, 7270816), (4, 5453112), (6, 3635408), (7, 3116064), (8, 2726556), (12, 1817704), (14, 1558032), (16, 1363278), (21, 1038688), (24, 908852), (28, 779016), (32, 681639), (42, 519344), (48, 454426), (49, 445152), (56, 389508), (84, 259672), (96, 227213), (98, 222576), (112, 194754), (147, 148384), (168, 129836), (196, 111288), (224, 97377), (294, 74192), (336, 64918), (392, 55644), (588, 37096), (672, 32459), (784, 27822), (1176, 18548), (1568, 13911), (2352, 9274), (4637, 4704)]