21367995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 38393376

約数和(自身を除く): 17025381

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 121, 165, 183, 193, 305, 363, 579, 605, 671, 915, 965, 1815, 2013, 2123, 2895, 3355, 6369, 7381, 10065, 10615, 11773, 22143, 23353, 31845, 35319, 36905, 58865, 70059, 110715, 116765, 129503, 176595, 350295, 388509, 647515, 1424533, 1942545, 4273599, 7122665, 21367995]

約数ペア:

[(1, 21367995), (3, 7122665), (5, 4273599), (11, 1942545), (15, 1424533), (33, 647515), (55, 388509), (61, 350295), (121, 176595), (165, 129503), (183, 116765), (193, 110715), (305, 70059), (363, 58865), (579, 36905), (605, 35319), (671, 31845), (915, 23353), (965, 22143), (1815, 11773), (2013, 10615), (2123, 10065), (2895, 7381), (3355, 6369)]