21896588

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 46771200

約数和(自身を除く): 24874612

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 316, 521, 532, 553, 1042, 1106, 1501, 2084, 2212, 3002, 3647, 6004, 7294, 9899, 10507, 14588, 19798, 21014, 39596, 41159, 42028, 69293, 82318, 138586, 164636, 277172, 288113, 576226, 782021, 1152452, 1564042, 3128084, 5474147, 10948294, 21896588]

約数ペア:

[(1, 21896588), (2, 10948294), (4, 5474147), (7, 3128084), (14, 1564042), (19, 1152452), (28, 782021), (38, 576226), (76, 288113), (79, 277172), (133, 164636), (158, 138586), (266, 82318), (316, 69293), (521, 42028), (532, 41159), (553, 39596), (1042, 21014), (1106, 19798), (1501, 14588), (2084, 10507), (2212, 9899), (3002, 7294), (3647, 6004)]