21901026

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2029}}^1$

素因数の和:2298

約数の個数: 32

約数和(自身を含む): 50279040

約数和(自身を除く): 28378014

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1542, 1799, 2029, 3598, 4058, 5397, 6087, 10794, 12174, 14203, 28406, 42609, 85218, 521453, 1042906, 1564359, 3128718, 3650171, 7300342, 10950513, 21901026]

約数ペア:

[(1, 21901026), (2, 10950513), (3, 7300342), (6, 3650171), (7, 3128718), (14, 1564359), (21, 1042906), (42, 521453), (257, 85218), (514, 42609), (771, 28406), (1542, 14203), (1799, 12174), (2029, 10794), (3598, 6087), (4058, 5397)]