21080196

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10273}}^1$

素因数の和:10305

約数の個数: 48

約数和(自身を含む): 57534400

約数和(自身を除く): 36454204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10273, 20546, 30819, 41092, 61638, 92457, 123276, 184914, 195187, 277371, 369828, 390374, 554742, 585561, 780748, 1109484, 1171122, 1756683, 2342244, 3513366, 5270049, 7026732, 10540098, 21080196]

約数ペア:

[(1, 21080196), (2, 10540098), (3, 7026732), (4, 5270049), (6, 3513366), (9, 2342244), (12, 1756683), (18, 1171122), (19, 1109484), (27, 780748), (36, 585561), (38, 554742), (54, 390374), (57, 369828), (76, 277371), (108, 195187), (114, 184914), (171, 123276), (228, 92457), (342, 61638), (513, 41092), (684, 30819), (1026, 20546), (2052, 10273)]