21363015

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 13888185

約数列:

[1, 3, 5, 15, 59, 101, 177, 239, 295, 303, 505, 717, 885, 1195, 1515, 3585, 5959, 14101, 17877, 24139, 29795, 42303, 70505, 72417, 89385, 120695, 211515, 362085, 1424201, 4272603, 7121005, 21363015]

約数ペア:

[(1, 21363015), (3, 7121005), (5, 4272603), (15, 1424201), (59, 362085), (101, 211515), (177, 120695), (239, 89385), (295, 72417), (303, 70505), (505, 42303), (717, 29795), (885, 24139), (1195, 17877), (1515, 14101), (3585, 5959)]