21539692

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{337}}^1$

素因数の和:418

約数の個数: 36

約数和(自身を含む): 41215720

約数和(自身を除く): 19676028

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 337, 551, 674, 841, 1102, 1348, 1682, 2204, 3364, 6403, 9773, 12806, 15979, 19546, 25612, 31958, 39092, 63916, 185687, 283417, 371374, 566834, 742748, 1133668, 5384923, 10769846, 21539692]

約数ペア:

[(1, 21539692), (2, 10769846), (4, 5384923), (19, 1133668), (29, 742748), (38, 566834), (58, 371374), (76, 283417), (116, 185687), (337, 63916), (551, 39092), (674, 31958), (841, 25612), (1102, 19546), (1348, 15979), (1682, 12806), (2204, 9773), (3364, 6403)]