21226368

素因数分解:

$2^7\times 3^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 56891520

約数和(自身を除く): 35665152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 167, 192, 331, 334, 384, 501, 662, 668, 993, 1002, 1324, 1336, 1986, 2004, 2648, 2672, 3972, 4008, 5296, 5344, 7944, 8016, 10592, 10688, 15888, 16032, 21184, 21376, 31776, 32064, 42368, 55277, 63552, 64128, 110554, 127104, 165831, 221108, 331662, 442216, 663324, 884432, 1326648, 1768864, 2653296, 3537728, 5306592, 7075456, 10613184, 21226368]

約数ペア:

[(1, 21226368), (2, 10613184), (3, 7075456), (4, 5306592), (6, 3537728), (8, 2653296), (12, 1768864), (16, 1326648), (24, 884432), (32, 663324), (48, 442216), (64, 331662), (96, 221108), (128, 165831), (167, 127104), (192, 110554), (331, 64128), (334, 63552), (384, 55277), (501, 42368), (662, 32064), (668, 31776), (993, 21376), (1002, 21184), (1324, 16032), (1336, 15888), (1986, 10688), (2004, 10592), (2648, 8016), (2672, 7944), (3972, 5344), (4008, 5296)]