21232196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 41025600

約数和(自身を除く): 19793404

約数列:

[1, 2, 4, 19, 38, 43, 73, 76, 86, 89, 146, 172, 178, 292, 356, 817, 1387, 1634, 1691, 2774, 3139, 3268, 3382, 3827, 5548, 6278, 6497, 6764, 7654, 12556, 12994, 15308, 25988, 59641, 72713, 119282, 123443, 145426, 238564, 246886, 279371, 290852, 493772, 558742, 1117484, 5308049, 10616098, 21232196]

約数ペア:

[(1, 21232196), (2, 10616098), (4, 5308049), (19, 1117484), (38, 558742), (43, 493772), (73, 290852), (76, 279371), (86, 246886), (89, 238564), (146, 145426), (172, 123443), (178, 119282), (292, 72713), (356, 59641), (817, 25988), (1387, 15308), (1634, 12994), (1691, 12556), (2774, 7654), (3139, 6764), (3268, 6497), (3382, 6278), (3827, 5548)]