21256452

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:958

約数の個数: 96

約数和(自身を含む): 65085440

約数和(自身を除く): 43828988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 84, 93, 108, 124, 126, 186, 189, 217, 252, 279, 372, 378, 434, 558, 651, 756, 837, 868, 907, 1116, 1302, 1674, 1814, 1953, 2604, 2721, 3348, 3628, 3906, 5442, 5859, 6349, 7812, 8163, 10884, 11718, 12698, 16326, 19047, 23436, 24489, 25396, 28117, 32652, 38094, 48978, 56234, 57141, 76188, 84351, 97956, 112468, 114282, 168702, 171423, 196819, 228564, 253053, 337404, 342846, 393638, 506106, 590457, 685692, 759159, 787276, 1012212, 1180914, 1518318, 1771371, 2361828, 3036636, 3542742, 5314113, 7085484, 10628226, 21256452]

約数ペア:

[(1, 21256452), (2, 10628226), (3, 7085484), (4, 5314113), (6, 3542742), (7, 3036636), (9, 2361828), (12, 1771371), (14, 1518318), (18, 1180914), (21, 1012212), (27, 787276), (28, 759159), (31, 685692), (36, 590457), (42, 506106), (54, 393638), (62, 342846), (63, 337404), (84, 253053), (93, 228564), (108, 196819), (124, 171423), (126, 168702), (186, 114282), (189, 112468), (217, 97956), (252, 84351), (279, 76188), (372, 57141), (378, 56234), (434, 48978), (558, 38094), (651, 32652), (756, 28117), (837, 25396), (868, 24489), (907, 23436), (1116, 19047), (1302, 16326), (1674, 12698), (1814, 11718), (1953, 10884), (2604, 8163), (2721, 7812), (3348, 6349), (3628, 5859), (3906, 5442)]