21609294

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2371}}^1$

素因数の和:2421

約数の個数: 48

約数和(自身を含む): 51918336

約数和(自身を除く): 30309042

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 62, 93, 98, 147, 186, 217, 294, 434, 651, 1302, 1519, 2371, 3038, 4557, 4742, 7113, 9114, 14226, 16597, 33194, 49791, 73501, 99582, 116179, 147002, 220503, 232358, 348537, 441006, 514507, 697074, 1029014, 1543521, 3087042, 3601549, 7203098, 10804647, 21609294]

約数ペア:

[(1, 21609294), (2, 10804647), (3, 7203098), (6, 3601549), (7, 3087042), (14, 1543521), (21, 1029014), (31, 697074), (42, 514507), (49, 441006), (62, 348537), (93, 232358), (98, 220503), (147, 147002), (186, 116179), (217, 99582), (294, 73501), (434, 49791), (651, 33194), (1302, 16597), (1519, 14226), (2371, 9114), (3038, 7113), (4557, 4742)]