21485016

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:973

約数の個数: 96

約数和(自身を含む): 67991040

約数和(自身を除く): 46506024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 47, 56, 63, 72, 84, 94, 126, 141, 168, 188, 252, 282, 329, 376, 423, 504, 564, 658, 846, 907, 987, 1128, 1316, 1692, 1814, 1974, 2632, 2721, 2961, 3384, 3628, 3948, 5442, 5922, 6349, 7256, 7896, 8163, 10884, 11844, 12698, 16326, 19047, 21768, 23688, 25396, 32652, 38094, 42629, 50792, 57141, 65304, 76188, 85258, 114282, 127887, 152376, 170516, 228564, 255774, 298403, 341032, 383661, 457128, 511548, 596806, 767322, 895209, 1023096, 1193612, 1534644, 1790418, 2387224, 2685627, 3069288, 3580836, 5371254, 7161672, 10742508, 21485016]

約数ペア:

[(1, 21485016), (2, 10742508), (3, 7161672), (4, 5371254), (6, 3580836), (7, 3069288), (8, 2685627), (9, 2387224), (12, 1790418), (14, 1534644), (18, 1193612), (21, 1023096), (24, 895209), (28, 767322), (36, 596806), (42, 511548), (47, 457128), (56, 383661), (63, 341032), (72, 298403), (84, 255774), (94, 228564), (126, 170516), (141, 152376), (168, 127887), (188, 114282), (252, 85258), (282, 76188), (329, 65304), (376, 57141), (423, 50792), (504, 42629), (564, 38094), (658, 32652), (846, 25396), (907, 23688), (987, 21768), (1128, 19047), (1316, 16326), (1692, 12698), (1814, 11844), (1974, 10884), (2632, 8163), (2721, 7896), (2961, 7256), (3384, 6349), (3628, 5922), (3948, 5442)]