21409158

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 45757440

約数和(自身を除く): 24348282

約数列:

[1, 2, 3, 6, 31, 47, 62, 79, 93, 94, 141, 158, 186, 237, 282, 474, 961, 1457, 1922, 2449, 2883, 2914, 3713, 4371, 4898, 5766, 7347, 7426, 8742, 11139, 14694, 22278, 45167, 75919, 90334, 115103, 135501, 151838, 227757, 230206, 271002, 345309, 455514, 690618, 3568193, 7136386, 10704579, 21409158]

約数ペア:

[(1, 21409158), (2, 10704579), (3, 7136386), (6, 3568193), (31, 690618), (47, 455514), (62, 345309), (79, 271002), (93, 230206), (94, 227757), (141, 151838), (158, 135501), (186, 115103), (237, 90334), (282, 75919), (474, 45167), (961, 22278), (1457, 14694), (1922, 11139), (2449, 8742), (2883, 7426), (2914, 7347), (3713, 5766), (4371, 4898)]