21912536

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{593}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 20855464

約数列:

[1, 2, 4, 8, 31, 62, 124, 149, 248, 298, 593, 596, 1186, 1192, 2372, 4619, 4744, 9238, 18383, 18476, 36766, 36952, 73532, 88357, 147064, 176714, 353428, 706856, 2739067, 5478134, 10956268, 21912536]

約数ペア:

[(1, 21912536), (2, 10956268), (4, 5478134), (8, 2739067), (31, 706856), (62, 353428), (124, 176714), (149, 147064), (248, 88357), (298, 73532), (593, 36952), (596, 36766), (1186, 18476), (1192, 18383), (2372, 9238), (4619, 4744)]