21263742

素因数分解:

$2^1\times 3^3\times {\mathrm{449}}^1\times {\mathrm{877}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 47412000

約数和(自身を除く): 26148258

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 449, 877, 898, 1347, 1754, 2631, 2694, 4041, 5262, 7893, 8082, 12123, 15786, 23679, 24246, 47358, 393773, 787546, 1181319, 2362638, 3543957, 7087914, 10631871, 21263742]

約数ペア:

[(1, 21263742), (2, 10631871), (3, 7087914), (6, 3543957), (9, 2362638), (18, 1181319), (27, 787546), (54, 393773), (449, 47358), (877, 24246), (898, 23679), (1347, 15786), (1754, 12123), (2631, 8082), (2694, 7893), (4041, 5262)]