21536060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11833}}^1$

素因数の和:11862

約数の個数: 48

約数和(自身を含む): 55667136

約数和(自身を除く): 34131076

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 11833, 23666, 47332, 59165, 82831, 118330, 153829, 165662, 236660, 307658, 331324, 414155, 615316, 769145, 828310, 1076803, 1538290, 1656620, 2153606, 3076580, 4307212, 5384015, 10768030, 21536060]

約数ペア:

[(1, 21536060), (2, 10768030), (4, 5384015), (5, 4307212), (7, 3076580), (10, 2153606), (13, 1656620), (14, 1538290), (20, 1076803), (26, 828310), (28, 769145), (35, 615316), (52, 414155), (65, 331324), (70, 307658), (91, 236660), (130, 165662), (140, 153829), (182, 118330), (260, 82831), (364, 59165), (455, 47332), (910, 23666), (1820, 11833)]