51421356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{487}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 149210880

約数和(自身を除く): 97789524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 419, 487, 838, 974, 1257, 1461, 1676, 1948, 2514, 2922, 2933, 3409, 3771, 4383, 5028, 5844, 5866, 6818, 7542, 8766, 8799, 10227, 11732, 13636, 15084, 17532, 17598, 20454, 26397, 30681, 35196, 40908, 52794, 61362, 105588, 122724, 204053, 408106, 612159, 816212, 1224318, 1428371, 1836477, 2448636, 2856742, 3672954, 4285113, 5713484, 7345908, 8570226, 12855339, 17140452, 25710678, 51421356]

約数ペア:

[(1, 51421356), (2, 25710678), (3, 17140452), (4, 12855339), (6, 8570226), (7, 7345908), (9, 5713484), (12, 4285113), (14, 3672954), (18, 2856742), (21, 2448636), (28, 1836477), (36, 1428371), (42, 1224318), (63, 816212), (84, 612159), (126, 408106), (252, 204053), (419, 122724), (487, 105588), (838, 61362), (974, 52794), (1257, 40908), (1461, 35196), (1676, 30681), (1948, 26397), (2514, 20454), (2922, 17598), (2933, 17532), (3409, 15084), (3771, 13636), (4383, 11732), (5028, 10227), (5844, 8799), (5866, 8766), (6818, 7542)]