21590772

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:597

約数の個数: 72

約数和(自身を含む): 59524416

約数和(自身を除く): 37933644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 73, 84, 98, 146, 147, 196, 219, 292, 294, 438, 503, 511, 588, 876, 1006, 1022, 1509, 1533, 2012, 2044, 3018, 3066, 3521, 3577, 6036, 6132, 7042, 7154, 10563, 10731, 14084, 14308, 21126, 21462, 24647, 36719, 42252, 42924, 49294, 73438, 73941, 98588, 110157, 146876, 147882, 220314, 257033, 295764, 440628, 514066, 771099, 1028132, 1542198, 1799231, 3084396, 3598462, 5397693, 7196924, 10795386, 21590772]

約数ペア:

[(1, 21590772), (2, 10795386), (3, 7196924), (4, 5397693), (6, 3598462), (7, 3084396), (12, 1799231), (14, 1542198), (21, 1028132), (28, 771099), (42, 514066), (49, 440628), (73, 295764), (84, 257033), (98, 220314), (146, 147882), (147, 146876), (196, 110157), (219, 98588), (292, 73941), (294, 73438), (438, 49294), (503, 42924), (511, 42252), (588, 36719), (876, 24647), (1006, 21462), (1022, 21126), (1509, 14308), (1533, 14084), (2012, 10731), (2044, 10563), (3018, 7154), (3066, 7042), (3521, 6132), (3577, 6036)]