21090972

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{35869}}^1$

素因数の和:35890

約数の個数: 36

約数和(自身を含む): 57248520

約数和(自身を除く): 36157548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 35869, 71738, 107607, 143476, 215214, 251083, 430428, 502166, 753249, 1004332, 1506498, 1757581, 3012996, 3515162, 5272743, 7030324, 10545486, 21090972]

約数ペア:

[(1, 21090972), (2, 10545486), (3, 7030324), (4, 5272743), (6, 3515162), (7, 3012996), (12, 1757581), (14, 1506498), (21, 1004332), (28, 753249), (42, 502166), (49, 430428), (84, 251083), (98, 215214), (147, 143476), (196, 107607), (294, 71738), (588, 35869)]