21530194

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1483}}^1$

素因数の和:1570

約数の個数: 32

約数和(自身を含む): 39747456

約数和(自身を除く): 18217262

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 1037, 1483, 2074, 2966, 7259, 10381, 14518, 20762, 25211, 50422, 90463, 176477, 180926, 352954, 633241, 1266482, 1537871, 3075742, 10765097, 21530194]

約数ペア:

[(1, 21530194), (2, 10765097), (7, 3075742), (14, 1537871), (17, 1266482), (34, 633241), (61, 352954), (119, 180926), (122, 176477), (238, 90463), (427, 50422), (854, 25211), (1037, 20762), (1483, 14518), (2074, 10381), (2966, 7259)]