21014721063

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{22721}}^1$

素因数の和:23064

約数の個数: 48

約数和(自身を含む): 35474677056

約数和(自身を除く): 14459955993

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 277, 371, 477, 831, 1113, 1939, 2493, 3339, 5817, 14681, 17451, 22721, 44043, 68163, 102767, 132129, 159047, 204489, 308301, 477141, 924903, 1204213, 1431423, 3612639, 6293717, 8429491, 10837917, 18881151, 25288473, 44056019, 56643453, 75865419, 132168057, 333567001, 396504171, 1000701003, 2334969007, 3002103009, 7004907021, 21014721063]

約数ペア:

[(1, 21014721063), (3, 7004907021), (7, 3002103009), (9, 2334969007), (21, 1000701003), (53, 396504171), (63, 333567001), (159, 132168057), (277, 75865419), (371, 56643453), (477, 44056019), (831, 25288473), (1113, 18881151), (1939, 10837917), (2493, 8429491), (3339, 6293717), (5817, 3612639), (14681, 1431423), (17451, 1204213), (22721, 924903), (44043, 477141), (68163, 308301), (102767, 204489), (132129, 159047)]