21808830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31607}}^1$

素因数の和:31640

約数の個数: 32

約数和(自身を含む): 54618624

約数和(自身を除く): 32809794

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31607, 63214, 94821, 158035, 189642, 316070, 474105, 726961, 948210, 1453922, 2180883, 3634805, 4361766, 7269610, 10904415, 21808830]

約数ペア:

[(1, 21808830), (2, 10904415), (3, 7269610), (5, 4361766), (6, 3634805), (10, 2180883), (15, 1453922), (23, 948210), (30, 726961), (46, 474105), (69, 316070), (115, 189642), (138, 158035), (230, 94821), (345, 63214), (690, 31607)]