21836262

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 72

約数和(自身を含む): 54176904

約数和(自身を除く): 32340642

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 257, 289, 294, 357, 514, 578, 714, 771, 833, 867, 1542, 1666, 1734, 1799, 2023, 2499, 3598, 4046, 4369, 4998, 5397, 6069, 8738, 10794, 12138, 12593, 13107, 14161, 25186, 26214, 28322, 30583, 37779, 42483, 61166, 74273, 75558, 84966, 91749, 148546, 183498, 214081, 222819, 428162, 445638, 519911, 642243, 1039822, 1284486, 1559733, 3119466, 3639377, 7278754, 10918131, 21836262]

約数ペア:

[(1, 21836262), (2, 10918131), (3, 7278754), (6, 3639377), (7, 3119466), (14, 1559733), (17, 1284486), (21, 1039822), (34, 642243), (42, 519911), (49, 445638), (51, 428162), (98, 222819), (102, 214081), (119, 183498), (147, 148546), (238, 91749), (257, 84966), (289, 75558), (294, 74273), (357, 61166), (514, 42483), (578, 37779), (714, 30583), (771, 28322), (833, 26214), (867, 25186), (1542, 14161), (1666, 13107), (1734, 12593), (1799, 12138), (2023, 10794), (2499, 8738), (3598, 6069), (4046, 5397), (4369, 4998)]