21234318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 51314688

約数和(自身を除く): 30080370

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 47, 62, 93, 94, 141, 186, 217, 282, 329, 347, 434, 651, 658, 694, 987, 1041, 1302, 1457, 1974, 2082, 2429, 2914, 4371, 4858, 7287, 8742, 10199, 10757, 14574, 16309, 20398, 21514, 30597, 32271, 32618, 48927, 61194, 64542, 75299, 97854, 114163, 150598, 225897, 228326, 342489, 451794, 505579, 684978, 1011158, 1516737, 3033474, 3539053, 7078106, 10617159, 21234318]

約数ペア:

[(1, 21234318), (2, 10617159), (3, 7078106), (6, 3539053), (7, 3033474), (14, 1516737), (21, 1011158), (31, 684978), (42, 505579), (47, 451794), (62, 342489), (93, 228326), (94, 225897), (141, 150598), (186, 114163), (217, 97854), (282, 75299), (329, 64542), (347, 61194), (434, 48927), (651, 32618), (658, 32271), (694, 30597), (987, 21514), (1041, 20398), (1302, 16309), (1457, 14574), (1974, 10757), (2082, 10199), (2429, 8742), (2914, 7287), (4371, 4858)]