21834828

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^2\times {\mathrm{163}}^1$

素因数の和:295

約数の個数: 54

約数和(自身を含む): 56457492

約数和(自身を除く): 34622664

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 163, 183, 244, 326, 366, 489, 549, 652, 732, 978, 1098, 1467, 1956, 2196, 2934, 3721, 5868, 7442, 9943, 11163, 14884, 19886, 22326, 29829, 33489, 39772, 44652, 59658, 66978, 89487, 119316, 133956, 178974, 357948, 606523, 1213046, 1819569, 2426092, 3639138, 5458707, 7278276, 10917414, 21834828]

約数ペア:

[(1, 21834828), (2, 10917414), (3, 7278276), (4, 5458707), (6, 3639138), (9, 2426092), (12, 1819569), (18, 1213046), (36, 606523), (61, 357948), (122, 178974), (163, 133956), (183, 119316), (244, 89487), (326, 66978), (366, 59658), (489, 44652), (549, 39772), (652, 33489), (732, 29829), (978, 22326), (1098, 19886), (1467, 14884), (1956, 11163), (2196, 9943), (2934, 7442), (3721, 5868)]