21375324

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:739

約数の個数: 72

約数和(自身を含む): 58378320

約数和(自身を除く): 37002996

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 53, 68, 102, 106, 153, 159, 204, 212, 306, 318, 477, 612, 636, 659, 901, 954, 1318, 1802, 1908, 1977, 2636, 2703, 3604, 3954, 5406, 5931, 7908, 8109, 10812, 11203, 11862, 16218, 22406, 23724, 32436, 33609, 34927, 44812, 67218, 69854, 100827, 104781, 134436, 139708, 201654, 209562, 314343, 403308, 419124, 593759, 628686, 1187518, 1257372, 1781277, 2375036, 3562554, 5343831, 7125108, 10687662, 21375324]

約数ペア:

[(1, 21375324), (2, 10687662), (3, 7125108), (4, 5343831), (6, 3562554), (9, 2375036), (12, 1781277), (17, 1257372), (18, 1187518), (34, 628686), (36, 593759), (51, 419124), (53, 403308), (68, 314343), (102, 209562), (106, 201654), (153, 139708), (159, 134436), (204, 104781), (212, 100827), (306, 69854), (318, 67218), (477, 44812), (612, 34927), (636, 33609), (659, 32436), (901, 23724), (954, 22406), (1318, 16218), (1802, 11862), (1908, 11203), (1977, 10812), (2636, 8109), (2703, 7908), (3604, 5931), (3954, 5406)]