21246465

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 14880255

約数列:

[1, 3, 5, 15, 19, 57, 95, 127, 285, 381, 587, 635, 1761, 1905, 2413, 2935, 7239, 8805, 11153, 12065, 33459, 36195, 55765, 74549, 167295, 223647, 372745, 1118235, 1416431, 4249293, 7082155, 21246465]

約数ペア:

[(1, 21246465), (3, 7082155), (5, 4249293), (15, 1416431), (19, 1118235), (57, 372745), (95, 223647), (127, 167295), (285, 74549), (381, 55765), (587, 36195), (635, 33459), (1761, 12065), (1905, 11153), (2413, 8805), (2935, 7239)]